Gastroenterology is a broad specialty that ranges from colonoscopy and endoscopy to liver disease and inflammatory bowel disease. The field offers many opportunities for physicians to shine in clinical, business, research and academic roles. Here are 191 gastroenterologists who hold various leadership positions and have made contributions to the GI field.
If you would like to recommend a gastroenterologist for this list, please email Carrie Pallardy at cpallardy@beckershealthcare.com.
Edgar Achkar, MD, MACG, serves in the department of gastroenterology and hepatology at Cleveland Clinic. He is a past president of the American College of Gastroenterology and past director of the ACG Institute. His specialty interests include esophageal disorders and motility testing. He is a fellow of the American Gastroenterological Association and a member of the American Society of Gastrointestinal Endoscopy. He completed his internal medicine residency at Lahey Clinic in Burlington, Mass., where he also completed a gastroenterology fellowship. His additional training includes a fellowship in gastroenterology at Cleveland Clinic.
Jean-Paul Achkar, MD, FACG, is the Kenneth Rainin Endowed Chair in IBD Research at Cleveland Clinic. He is on staff in the pathology department of Cleveland Clinic's Lerner Research Institute. Dr. Achkar focuses on Crohn's disease, ulcerative colitis and IBS. He is a recipient of the National Institutes of Health K23 Grant Award for Genetic Studies in Crohn's Disease.
Paul Akerman, MD, FACG, performs procedures at Bayside Endoscopy Center in Providence, R.I., and East Greenwich (R.I.) Endoscopy Center. Dr. Akerman also serves as a clinical assistant professor of medicine and surgery at Alpert School of Medicine – Brown University in Providence, R.I. Dr. Akerman is responsible for leading the development of spiral enteroscopy, a technique designed to diagnose and treat small intestine lesions.
John I. Allen, MD, MBA, AGAF, is the clinical chief of gastroenterology and hepatology at Yale Medical Group and a professor at Yale School of Medicine in New Haven, Conn. He has previously served as quality advisor for Minnesota Gastroenterology, based in the Twin Cities. He is president of the American Gastroenterological Association. He is a special section editor for Clinical Gastroenterology and Hepatology. He also currently chairs the quality committee for Minneapolis-based Allina Health System. He has more than 90 published articles and book chapters on numerous topics from basic molecular biology to practice management.
Saket K. Ambasht, MD, performs procedures at the Surgery Center of Anchorage (Alaska), which is affiliated with Regent Surgical Health. Dr. Ambasht also practices with Pioneer GI Clinic in Anchorage. He has been in private practice since 2008. He completed his medical degree at the Uniformed Services University of Health Sciences in Bethesda, Md. He then completed his residency and fellowship at Wilford Hall Air Force Medical Center and Brooke Army Medical Center in San Antonio. Dr. Ambasht served 21 years in the military.
Ashwin Ananthakrishnan, MD, practices at Massachusetts General Hospital in Boston. He won the 2011 American Gastroenterological Association research scholar award for a prospective study of diet and risk of Crohn's disease and ulcerative colitis. Dr. Ananthakrishnan's research focuses on the epidemiology and outcomes of IBD and the development of personalized medicine.
Kevin Ashby, MD, practices at Saddleback Medical Group Gastroenterology in Laguna Hills, Calif. He also performs procedures at the groups' Digestive Disease Center in Laguna Hills. The center is affiliated with Surgical Care Affiliates. Dr. Ashby is a member of the American College of Gastroenterology and American Society for Gastrointestinal Endoscopy. He has lectured nationally and contributed to a number of peer-reviewed medical journals.
Peter A. Banks, MD, is the director of the Center for Pancreatic Disease and director of the Clinical Research Track at Brigham and Women's Hospital in Boston. He is a past president of the American Pancreatic Association and International Association of Pancreatology. Dr. Banks has received the Distinguished Educator Award and Outstanding Achievement in Clinical Gastroenterology Award from the American Gastroenterological Association.
Christopher Bartolone, MD, is a physician with Gastroenterology Associates in Williamsville, N.Y. Dr. Bartolone earned his medical degree and completed a residency at the State University of New York at Buffalo and a fellowship in digestive and liver diseases at the University of Illinois at Chicago. He is on staff at Millard Fillmore Suburban Hospital in Williamsville and Sisters of Charity Hospital in Buffalo.
David Becker, MD, practices with Gastroenterology Consultants of Clearwater (Fla.), a division of West Central Gastroenterology. Dr. Becker performs procedures at West Coast Endoscopy Center in Clearwater. The center is an affiliate of Surgical Care Affiliates. Dr. Becker is a past president of the Florida Gastroenterologic Society.
Rudolph A. Bedford, MD, is president of the Southern California Society of Gastroenterology. Dr. Bedford practices with Southern California Gastroenterology Group in Santa Monica. He is an interventional endoscopist and performs endoscopic ultrasound and endoscopic retrograde cholangiopancreatography. He has also served as director of Pancreatico-Biliary Services Department at UCLA. Dr. Bedford is a gastroenterology consultant for the Los Angeles Zoo.
J. Sumner Bell III, MD, AGAF, is a professor of clinical internal medicine at Eastern Virginia Medical School in Norfolk, and has practiced gastroenterology in southeastern Virginia for more than 20 years. Dr. Bell practices with Gastroenterology Ltd. of Virginia Beach. He previously served as president of the Eastern Virginia Medical School and currently is secretary-treasurer of the American Gastroenterological Association. He has completed an internal medicine residency at Thomas Jefferson University Hospital in Philadelphia and a fellowship at Mayo Clinic in Rochester, Minn.
Fernando Bermudez, MD, FACG, FACP, is medical director and a board member of Eastside Endoscopy Center, a partnership with Physicians Endoscopy. He is a member of G.I. Medicine Associates. He specializes in diseases of the gastrointestinal tract, liver and pancreas and has a special interest in inflammatory bowel disease and motility disorders of the esophagus.
Jody Berner, MD, practices with Bay Area Gastrointestinal Endoscopy and Liver Disease Specialists in Clearwater, Fla. Dr. Berner completed his medical degree at the University of Rochester (N.Y.). He underwent his residency training at Beth Israel Medical Center in New York. Dr. Berner completed his fellowship at Mount Sinai Hospital and the Bronx Veterans Hospital in New York. Dr. Berner also has advanced training in liver disease, transplant medicine and biliary endoscopy.
Brett Bernstein, MD, is the medical director of Eastside Endoscopy in Manhattan, N.Y. He is also Chief Quality Officer of Beth Israel Ambulatory Endoscopy Services and director of endoscopy at Mount Sinai Beth Israel in New York. He is a member of the American Society for Gastrointestinal Endoscopy Quality Assurance Committee. Dr. Bernstein is an assistant professor of medicine at Albert Einstein College of Medicine in New York.
Faisal M. Bhinder, MD, is a gastroenterologist at Capital Digestive Care's Birns, Gloger & Witten, MD, based in Rockville, Md. He previously served as chief of the gastroenterology division and director of endoscopy at Calvert Memorial Hospital in Prince Frederick, Md. He is trained to perform advanced therapeutic procedures with endoscopic ultrasound and endoscopic retrograde cholangiopancreatography for biliary and pancreatic disease. He has a particular interest in the field of advanced endoscopy and has completed a fellowship in the Advanced Interventional Therapeutic Endoscopy Fellowship Program at the University of Florida HSC Shands Hospital in Gainesville.
Priti Bijpuria, MD, is a gastroenterologist at Capital Digestive Care's Ellicott City-based Maryland Digestive Disease Center. She is a diplomate of the American Board of Internal Medicine and a member of the American College of Gastroenterology. She is affiliated with Ambulatory Endoscopy Center of Maryland in Laurel and Washington Adventist Hospital in Takoma Park, Md. Dr. Bijpuria has completed a fellowship in gastroenterology at Drexel University College of Medicine/Hahnemann University Hospital in Philadelphia.
Henry J. Binder, MD, is a professor emeritus and senior research scientist in medicine at Yale School of Medicine in New Haven, Conn. He won the 2005 Distinguished Achievement Award from the American Gastroenterological Association for his work on colonic ion transport and diarrhea. Dr. Binder earned his medical degree from New York University and completed his residency at Bellevue Hospital in New York and his fellowship in gastroenterology at Yale University School of Medicine.
Ronald Boisen, MD, has been practicing medicine in Anchorage, Alaska since 1986. He performs procedures at Alaska Digestive Center, affiliated with Nueterra. Dr. Boisen focuses on digestive and liver diseases. He completed his medical degree and residency training at the University of Minnesota in Minneapolis. Dr. Boisen completed his fellowship at the University of Wisconsin in Madison. Dr. Boisen has held a number of leadership positions including governor of the Alaska Chapter of the American College of Gastroenterology and chairman of the endoscopy committees at Providence and Alaska Regional Hospitals and at the Alaska Digestive Center.
C. Richard Boland, MD, is a physician in the division of gastroenterology at Baylor University Medical Center in Dallas. Dr. Boland is a past president of the American Gastroenterological Association. Dr. Boland earned his MD from Yale University School of Medicine in New Haven, Conn., and completed his residency at Public Health Service Hospital in San Francisco and his fellowship at the University of California at San Francisco School of Medicine.
Geoffrey L. Braden, MD, FACP, FACG, AGAF, is the founding editor of Medscape Gastroenterology. Dr. Braden has been the chief of internal medicine at Aria Health in Philadelphia, since 1993. He also serves as chairman of the Aria Health Credentials Committee. Dr. Braden is a member of the American College of Gastroenterology's publications committee and national affairs committee, as well as a member of the American Gastroenterological Association's practice advisory network.
Steven Ross Brant, MD, is the director of the Baltimore-based Johns Hopkins Meyerhoff Inflammatory Bowel Disease Center and Meyerhoff Inflammatory Bowel Disease Genetics Laboratory. He is also an associate professor of medicine at Johns Hopkins Hospital. In October 2013, Dr. Brant received a $250,000 grant from Expression Analysis and Illumina for his research on the genetic causes of Crohn's disease.
Aaron Brzezinski, MD, is a physician in the gastroenterology and hepatology department at the Cleveland Clinic. He focuses heavily on inflammatory bowel disease, microscopic colitis and celiac disease. He earned his MD from Universidad Nacional Autonoma de Mexico and then performed internal medicine residency and gastroenterology fellowship at University of Toronto Faculty of Medicine in Canada. He won the Premier Physician Award from the Northeast Ohio Chapter of the Crohn's and Colitis Foundation of America.
Carol Burke, MD, FACG, is a member of the professional staff of Cleveland Clinic's department of gastroenterology and hepatology, as well as director of its Center for Colon Polyp and Cancer Prevention and co-director of the multidisciplinary Hereditary Cancer Clinic. She is a past treasurer of the American College of Gastroenterology and has served as a committee member for both the American College of Gastroenterology and American Society of Gastrointestinal Endoscopy. She is actively involved in research and has been awarded research grants from the National Cancer Institute and industry organizations to study the effects of chemo-preventive agents on the prevention of intestinal neoplasia.
Robert Cameron, MD, is the medical director of the Endoscopy Center at Bainbridge in Chagrin Falls, Ohio. Dr. Cameron practices with University Gastroenterology Associates, which is part of University Hospitals Medical Practices. He is also a clinical professor of medicine at Case Western Reserve University in Cleveland. He has a special interest for colonic neoplasia and esophageal diseases.
Michael Camilleri, MD, AGAF, is a professor of medicine at Mayo Medical School in Rochester, Minn. He is also a consultant in gastroenterology, physiology and biophysics at the institution. His research interests include IBS, chronic constipation, diabetic gastroparesis, obesity and pharmacogenetics. He is the president-elect of the American Gastroenterological Association and has won numerous awards, including Distinguished Investigator Award from Mayo Clinic. He was the founding editor of Clinical Gastroenterology and Hepatology, editor of AGA Perspectives and an associate editor of Gastroenterology.
William Carey, MD, MACG, is the senior hepatologist in Cleveland Clinic's department of gastroenterology and former director of the Hepatology Center. Dr. Carey is a past president of the American College of Gastroenterology and serves on the editorial boards of several professional journals, including Cleveland Clinic Journal of Medicine. He completed his fellowship training at Mayo Clinic in Rochester, Minn.
Donald Castell, MD, is the director of the Esophageal Disorders Program and a professor of medicine in the gastroenterology and hepatology division of the Medical University of South Carolina in Charleston. He served as a medical officer in the U.S. Navy from 1959 to 1979 and retired with the rank of captain. Dr. Castell has authored and co-authored more than 500 scientific publications. He is also the editor and primary contributor of The Esophagus.
Amitabh Chak, MD, is director of clinical research in the division of gastroenterology and director of the Advanced Technology & Innovation Center of Excellence at Case Western Reserve University. He also serves as a professor of medicine. He has a special interest in therapeutic endoscopy, GI oncology and endoscopic ultrasonography.
Lin Chang, MD, is director of the Digestive Health and Nutrition Clinic at the David Geffen School of Medicine at the University of California. She also serves as director of the UCLA GI Fellowship Training Program and co-director of the Center for Neurobiology of Stress. Her main research area is the pathophysiology of irritable bowel syndrome with particular interests in the overlap of IBS with fibromyalgia, gender differences and neuroendocrine alterations. She is a 2009 winner of the AGA Distinguished Clinician Award for her achievements as a clinical academician.
William D. Chey, MD, FACG, is a professor of internal medicine, director of the GI Physiology Laboratory and co-director of the Michigan Bowel Control Program at University of Michigan Health System in Ann Arbor. He is a member of the American College of Gastroenterology, American Society for Gastrointestinal Endoscopy and American Neurogastroenterology and Motility Society. He has a professional interest in functional bowel and motility disorders including irritable bowel syndrome, constipation, functional heartburn, non-cardiac chest pain, dysphagia and fecal incontinence. He is co-editor-in-chief of the American Journal of Gastroenterology.
Delbert L. Chumley, MD, practices with Gastroenterology Consultants of San Antonio. Dr. Chumley is a past president of the American College of Gastroenterology and co-chaired the organization's National GI Carrier Advisory Committee, which oversees federal Medicare payment issues. He is also a past president of the Texas Society of Gastroenterology and Endoscopy.
Robynne Chutkan, MD, is the founder of the Digestive Center for Women in Chevy Chase, Md. She has a professional interest in inflammatory bowel diseases, irritable bowel syndrome, video capsule endoscopy, nutrition and weight loss. She is a past member of the governing board of the American Society for Gastrointestinal Endoscopy and former chair of its Training Committee and Public Relations Committee. She is board-certified in gastroenterology and internal medicine and author of Gutbliss, a book that provides women with information to avoid digestive problems.
Bradley A. Connor, MD, is the founder and medical director of Travel Health Services, a travel medicine clinic in New York. A past president of the International Society of Travel Medicine, he has served as a consultant to the White House Medical Unit in the Clinton and Bush administrations. He was part of a team in Kathmandu, Nepal that first described the clinical illness associated with cyclospora infections and made subsequent contributions to the understanding of its pathogenesis, epidemiology and treatment.
Walter Coyle, MD, practices with Scripps Clinic Torrey Pines in La Jolla, Calif. He has research interests in pancreatic cancer, Barrett's esophagus and all types of advanced endoscopy. He completed his fellowship training in gastroenterology at the National Naval Medical Center in Bethesda, Md., and completed his fellowship in endoscopic surgery at the Medical University of South Carolina College of Medicine in Charleston, S.C.
James Cremins, MD, practices with Digestive Disorders Consultants in Hagerstown, Md. He also performs procedures at the Endoscopy Center at Robinwood in Hagerstown. Dr. Cremins completed his medical degree at New York Medical College in Valhalla and his residency at Fitzsimons Army Medical Center in Aurora, Colo. He then underwent his fellowship training at the Walter Reed Army Medical Center in Washington, D.C.
Sheila E. Crowe, MD, is a professor of medicine and director of research at UC San Diego School of Medicine. Dr. Crowe's research program focuses on the interaction of luminal contents with the GI mucosa that can lead to IBD and associated epithelial cancer. She has actively participated in basic, translational and clinical research.
Stephen Deal, MD, FACG, is a physician with Carolina Digestive Health Associates, which operates five endoscopy centers in the Charlotte, N.C., area. He served on the Quality in Endoscopy Task Force of the American Society of Gastrointestinal Endoscopy and American College of Gastroenterology. He has also been a member of the ACG National Affairs Committee and ACG Practice Management Committee.
Thomas M. Deas Jr., MD, MMM, FASGE, practices with Gastroenterology Associates of North Texas. Dr. Deas is also a past president of the American Society for Gastrointestinal Endoscopy and a fellow of the American College of Gastroenterology and American Society for Gastrointestinal Endoscopy. He has served as an advisory board member for the GI Quality Improvement Consortium (GIQuIC). Dr. Deas is also the chief medical officer of SandlotConnect, a health information exchange in Texas. Dr. Deas is a member of the Surgical Care Affiliates physician leadership board.
Kenneth R. DeVault, MD, FACG, is a professor of medicine at Mayo Clinic in Jacksonville, Fla. He is president elect of the American College of Gastroenterology. He has a professional interest in reflux and other esophageal diseases as well as motility disorders. He earned his medical degree at Wake Forest School of Medicine, formerly known as Bowman Gray School of Medicine, in Winston-Salem, N.C. He completed his residency at Vanderbilt University Medical Center in Nashville, Tenn., and a fellowship in gastroenterology at Jefferson Medical College in Philadelphia.
Mark DeVore, MD, practices with Providence Medical Group in Novi and Southfield, Mich. He also performs procedures at Michigan Endoscopy Center in Farmington Hills. Dr. DeVore earned his medical degree from the University of Cincinnati and completed his residency at St. Joseph Mercy Hospital in Ann Arbor, Mich. He went on to complete his fellowship at Wayne State University in Detroit.
Anthony J. DiMarino Jr., MD, is chair of the division of gastroenterology and hepatology and director of the Celiac Center at Jefferson University Hospitals in Philadelphia. His clinical interests include consultative gastroenterology, celiac disease, swallowing disorders and problems of gastrointestinal motility and inflammable bowel disease. He completed his fellowship at the Hospital of the University of Pennsylvania in Philadelphia.
Peter V. Draganov, MD, is a professor of medicine in the gastroenterology, hepatology and nutrition division at the University of Florida in Gainesville. He won the National Quality Week Shands Star Award for exceptional empathy, compassion or advocacy in interactions with patients and the Award for Outstanding Contribution to the Field of Gastroenterology and Hepatology from the American College of Physicians. He earned his medical degree from the Medical Academy of Sofia in Bulgaria. Dr. Draganov completed his residency and fellowship at the Medical University of South Carolina in Charleston.
Samuel Drake, MD, practices at Gaston Digestive Disease Clinic in Gastonia, N.C. Dr. Drake treats hiatal hernias, tumors, ulcers, jaundice, hepatitis, cirrhosis of the liver and disorders of the pancreas, gallbladder and liver. He also performs endoscopies, colonoscopies, endoscopic laser treatments and cancer screening. Dr. Drake completed his medical degree at the Medical University of South Carolina in Charleston, and his residency at Grady Emory Hospital in Atlanta. He then completed his fellowship at the University of Texas Health Science Center at San Antonio.
Marla C. Dubinsky, MD, is practices at the Susan & Leonard Feinstein IBD Clinical Center in New York. She is a senior faculty member of the pediatric gastroenterology and gastroenterology departments at Mount Sinai Hospital in New York. Her research interests include the immune and genetic influences on the natural history and treatment of inflammatory bowel disease. Dr. Dubinsky holds the Abe and Claire Levine Chair in pediatric inflammatory bowel disease.
Steven A. Edmundowicz, MD, FASGE, is chief of endoscopy, director of interventional endoscopy and a professor of medicine at Washington University School of Medicine in St. Louis. He has clinical and research interests in diagnostic and therapeutic endoscopy, pancreaticobiliary endoscopy, endoscopic ultrasonography and endoluminal therapies of gastroesophageal reflux disease and obesity. He is the treasurer of the American Society for Gastrointestinal Endoscopy. He has also served as the senior associate editor of Gastrointestinal Endoscopy and the chairman of the Web Education Committee of the ASGE.
Glenn M. Eisen, MD, MPH, practices with The Oregon Clinic in Portland. He is a past chair of the American Society for Gastrointestinal Endoscopy's Standards of Practice Committee and has published more than 110 peer-reviewed papers. He has a professional interest in colon cancer screening and prevention, esophageal disorders, inflammatory bowel disease and pancreatobiliary disease. Dr. Eisen completed his fellowship training at Duke University Medical Center in Durham, N.C.
Hashem El-Serag, MD, MPH, is the Dan L. Duncan Professor of Medicine and chief of the gastroenterology and hepatology section at Baylor College of Medicine in Houston. He is the GI section chief at Michael E. DeBakey VA Medical Center in Houston. Dr. El-Serag serves as the editor-in-chief of Clinical Gastroenterology and Hepatology and his clinical and research interests include Barrett's esophagus, dyspepsia and gastroesophageal reflux disease, viral hepatitis and chronic liver disease. He completed a gastroenterology fellowship, as well as a master's degree in public health, at the University of New Mexico in Albuquerque.
Atilla Ertan, MD, FACP, MACG, AGAF, is a professor of medicine in the gastroenterology, hepatology and nutrition division at the University of Texas Health and Science Center in Houston. Dr. Ertan is also the medical director of the Digestive Disease Center and Gastroenterology Center of Excellence at Memorial Hermann Hospital, Texas Medical Center. He has authored more than 150 articles in peer-reviewed journals, as well as contributing to several books.
Douglas O. Faigel, MD, FACG, FASGE, AGAF, is a professor of medicine at Mayo Clinic in Scottsdale, Ariz. He is president-elect of the American Society for Gastrointestinal Endoscopy. His clinical interests include endoscopic ultrasound, gastrointestinal cancers, biliary and pancreatic diseases and advanced endoscopy. He is actively involved in research and his recent research projects include developing new quality measures for colonoscopy and endoscopy and investigating the role of colonoscopy in the evaluation of patients with melena. He has previously served as chair of the Quality in Endoscopy Taskforce of the American Society for Gastrointestinal Endoscopy and associate editor of Gastrointestinal Endoscopy.
Francis A. Farraye, MD, MSc, is clinical director of the gastroenterology section and co-director of the Center for Digestive Disorders at Boston Medical Center. He is also a professor of medicine at Boston University School of Medicine. He received the American College of Gastroenterology's William D. Carey Award for serving the college with distinction. He completed his fellowship training at Beth Israel Hospital in Boston.
David S. Fefferman, MD, practices in Stoneham, Mass. He also performs procedures at DHA Endoscopy, also in Stoneham. He completed his medical degree at Jefferson Medical College in Philadelphia. He underwent his residency training at Brown University School of Medicine's Rhode Island and Miriam Hospital in Providence. Dr. Fefferman completed his fellowship training at Beth Israel Deaconess Medical Center in Boston.
M. Brian Fennerty, MD, is a professor of medicine in the division of gastroenterology at Oregon Health & Science University. Dr. Fennerty is past president of the American Society of Gastrointestinal Endoscopy. An authority on gastroesophageal reflux disease, Barrett's esophagus and Helicobacter pylori, he is editor of Journal Watch Gastroenterology and Reviews in Gastroenterological Disorders and past associate editor of American Journal of Gastroenterology and Clinical Perspectives in Gastroenterology.
Jeffrey Fine, MD, is the chief of gastroenterology at the Medical Surgical Clinic of Irving (Texas) and a gastroenterologist at Star Medical Center in Plano, Texas, and at Las Colinas Medical Center in Irving. Dr. Fine specializes in gastroenterology diseases and food sensitivity. He has more than 25 years of experience in the medical field. Dr. Fine completed his residency at Hahnemann University Hospital in Philadelphia. He holds a bachelor's degree in biology and a medical degree from Tulane University in New Orleans, where he also completed his gastroenterology fellowship.
Marc A. Fiorillo, MD, practices with Advanced Gastroenterology of Bergen County in New Jersey. Dr. Fiorillo is a past president of the New Jersey Gastroenterology and Endoscopy Society, in addition to actively participating in the national GI societies. Dr. Fiorillo has a clinical interest in pancreatic disorders and performs endoscopic ultrasound with fine needle aspiration. He also performs fecal microbiota transplantations for patients with recurrent C. difficile infections.
Ira L. Flax, MD, PA, MACG, co-founded and served as chairman of the Texas Alliance for Digestive Diseases, a regional gastroenterology independent practice association. He is managing partner of Digestive and Liver Specialists in Houston. He has also served on the board of Memorial Hermann Healthcare System in Houston, chaired its gastroenterology section and was chief of staff of Memorial Hermann Hospital in Memorial City.
David E. Fleischer, MD, is a professor of medicine in the department of gastroenterology and hepatology at Mayo Clinic Arizona. His research interests include endoscopy, esophageal cancer, GI bleeding, capsule endoscopy and endoscopic therapy for Barrett's esophagus. Dr. Fleischer completed his fellowship training at Harbor General Hospital at the University of California, Los Angles.
Christopher Forsmark, MD, is a professor of medicine and chief of gastroenterology at the University of Florida in Gainesville. Dr. Forsmark is a past president of the American Pancreatic Association and the Florida Gastroenterologic Society. He also served as chairman of the Pancreatic Disorders Section and was postgraduate course director at the American Gastroenterological Association.
Amy E. Foxx-Orenstein, DO, was president of the American College of Gastroenterology from 2007 to 2008 and began the organization's obesity initiative. She is a member of the Motility Section, Enteric Neuroscience Program and Gastroenterology and Hepatology Division at Mayo Clinic in Phoenix. Dr. Foxx-Orenstein earned her medical degree from the University of Osteopathic Medicine and Health Sciences/College of Osteopathic Medicine and Surgery at Des Moines (Iowa) University. She completed her fellowships in gastroenterology, nutrition and pancreatic-biliary disease at the Medical College of Virginia – Virginia Commonwealth University in Richmond.
James Franciosi, MD, is a pediatric gastroenterologist with Nemours, based in Orlando. His research includes outcome measures in eosinophilic esophagitis, eosinophilic esophagitis epidemiology, eosinophilic esophagitis clinical trials and inflammatory bowel disease clinical trials. He earned his MD from the Medical College of Wisconsin in Milwaukee and completed his residency and fellowship at Children's Hospital of Philadelphia.
Robert Ganz, MD, FASGE, was the 2013 to 2014 foundation chair of the American Society for Gastrointestinal Endoscopy. He serves as the chief of gastroenterology at Abbott-Northwestern Hospital and practices at Minnesota Gastroenterology, both in Minneapolis. Dr. Ganz is the co-founder of the medical device company BARRX, which focuses on the treatment of Barrett's esophagus. He holds 25 patents and was the first physician in the world to perform balloon-based radiofreqency ablation of Barrett's esophagus.
Ralph A. Giannella, MD, is a past president of the American Gastroenterological Association. Dr. Giannella is a professor in the Digestive Diseases Division at the University of Cincinnati College of Medicine. He won the AGA's Julius Friedenwald Medal. Dr. Giannella earned his medical degree from The Albany (N.Y.) Medical College. He completed his residency at Boston City Hospital and completed an NIH Research Fellowship at Mallory Gastrointestinal Laboratory Thorndike Memorial Laboratory, Boston City Hospital.
Francis M. Giardiello, MD, is a professor of medicine, oncology and pathology at Johns Hopkins University in Baltimore. For nine years, he was director of the Division of Johns Hopkins' Gastroenterology. He has investigated the genetic basis of familial colorectal cancer and the use of genetic testing in the hereditary forms of colorectal cancer. Dr. Giardiello completed his fellowship training at Johns Hopkins University School of Medicine.
Raffaele Gibilisco, MD, performs procedures at the Ambulatory Center for Endoscopy in North Bergen, N.J. He also practices in New York. He is affiliated with Hoboken (N.J.) University Medical Center and Palisades Medical Center in North Bergen. He completed his fellowship at Cabrini Medical Center in New York.
Gregory G. Ginsberg, MD, FASGE, is director of endoscopic services at Penn Medicine and professor of medicine at the Hospital of the University of Pennsylvania in Philadelphia. He is a board-certified gastroenterologist, focusing on Barrett's Esophagus, biliary and pancreatic diseases, endoscopy and gastrointestinal cancers. He is a past president of the American Society for Gastrointestinal Endoscopy. Dr. Ginsberg earned his medical degree from Jefferson Medical College in Philadelphia. He completed his residency and fellowship training at Georgetown University Hospital in Washington, D.C.
Gary Gitnick, MD, is chief of the division of digestive diseases at the University of California, Los Angeles School of Medicine. Dr. Gitnick leads one of the largest gastroenterology divisions in the world, with 80 full-time faculty members, 99 employees and a multi-million dollar budget. Previously, he was chief of staff of the UCLA Medical Center and medical director of UCLA Health Care Programs. Dr. Gitnick is the founder and chair of the board of governors of the nonprofit organization Fulfillment Fund, which provides access to college programs through scholarships and mentoring.
John Goff, MD, performs procedures at the Pinnacle III-affiliated Peak One Surgery Center in Frisco, Colo. He practices at a number of locations throughout Denver. Dr. Goff also serves as the Colorado governor for the American College of Gastroenterology and sits on the medical executive committee at St. Anthony Hospital in Lakewood, Colo. Dr. Goff earned his medical degree from the University of California at Irvine and completed his residency at the University of Oregon Health Sciences Center in Portland, Ore. He completed his fellowship training at the University of Colorado Health Sciences Center in Denver.
Larry Good, MD, FACG, is the founder and CEO of Good Pharmaceutical Development and CEO of Compassionate Care Center of New York. Dr. Good has been a practicing gastroenterologist since 1978. He has clinical research interests in the intestinal microbiome, IBD, IBS and the application of orally administered gamma globulin to patients with acute and chronic GI disorders. He completed his medical degree and residency the Medical University of South Carolina in Charleston. Dr. Good completed his fellowship training at the University of Pennsylvania Health System in Philadelphia.
Pedro Greer Jr., MD, is one of the founders of a Herbert Wertham College of Medicine at Florida International University, where he is professor and chair of the department of humanities, health and society and association dean for community engagement. A recipient of the MacArthur "Genius" Fellowship and the Presidential Service Award, he was an advisor to Presidents George H.W. Bush and Bill Clinton on healthcare and poverty. He is the author of "Waking Up in America." Dr. Greer completed his fellowship training at the University of Miami Miller School of Medicine.
Gary Griglione, MD, is the medical director and division chief of the Digestive Health Center at Meriter Hospital in Madison, Wis. He also sits on the Meriter Foundation Board. He developed a comprehensive IBS program, a fecal bacteriotherapy program and GI med genetics program. He focuses on GI disease, liver disease, IBD, swallowing disorder, C. difficile infection and acid reflux disease. Dr. Griglione completed his fellowship training at the University of Iowa Hospitals and Clinics in Iowa City.
Jack R. Groover, MD, FACP, is president and CEO of the Borland-Groover Clinic, Jacksonville Center for Endoscopy and Jax Anesthesia Providers in Jacksonville, Fla. He has previously served as chief of gastroenterology at University Hospital in Jacksonville, and founded the first GI fellowship program there. He serves on the United Healthcare Physicians Advisory Board and Blue Cross Blue Shield Physician Advisory Board. He is a member of the American Gastroenterological Association and American Society for Gastrointestinal Endoscopy. He has completed two fellowships, one in gastroenterology and another in hepatology at University of Miami School of Medicine.
Michael J. Guirl, MD, FACG, FACP, is a past president and councilor of the Texas Society for Gastroenterology and Endoscopy. He practices with the Gastroenterology Consultants of San Antonio in Texas. He earned his medical degree from Baylor College of Medicine in Houston and completed his residency at the University of Texas – Southwestern Medical School in Dallas. Dr. Guirl completed his fellowship training at Baylor University Medical Center in Dallas.
Stephen Hanauer, MD, FACG, is the Clifford Joseph Barborka Professor of Medicine at Northwestern University Feinberg School of Medicine in Chicago. Dr. Hanauer also serves as president of the American College of Gastroenterology. He previously served as the Joseph B. Kirsner Professor of Medicine, professor of clinical pharmacology and chief of gastroenterology and nutrition at University of Chicago Pritzker School of Medicine. He has served on the editorial boards of a number of professional journals.
Gail A. Hecht, MD, is the division director of gastroenterology and GI residency program director at Loyola University Chicago Stritch School of Medicine, as well as a professor. She is a past president of the American Gastroenterological Association. Her research interests include the interaction of enteric bacterial pathogens with host intestinal epithelial cells and the mechanisms. Dr. Hecht completed her fellowship training at Brigham and Women's Hospital/Harvard Medical School in Boston.
Anne Henkel, MD, is an assistant professor of gastroenterology and hepatology at Northwestern University Feinberg School of Medicine in Chicago. Dr. Henkel won the American Gastroenterological Association Research Foundation's research scholars award in 2011 for her studies on the role of endoplasmic reticulum stress in the pathogenesis of NASH. Dr. Henkel earned her medical degree from the University of Wisconsin in Madison. She completed her residency and fellowship at Northwestern Memorial Hospital in Chicago.
Enrique Hernandez, MD, is a pediatric gastroenterologist. He performs procedures at the Boca Raton (Fla.) Outpatient Surgery & Laser Center, an affiliate of Surgical Care Affiliates, and at Palms West Surgicenter in Loxahatchee, Fla. Dr. Hernandez completed his fellowship training at UCLA Medical Center in Los Angeles.
Reed B. Hogan, MD, practices with GI Associates and Endoscopy Center in Jackson, Miss. Dr. Hogan earned his medical degree from the University of Mississippi School of Medicine in Jackson. He completed a residency at the University of Mississippi Medical Center in Jackson and a gastroenterology fellowship at Baylor University Medical Center in Dallas. Dr. Hogan is a member of the Mississippi State Medical Association and American Gastroenterological Association.
Vera Hupertz, MD, FACG, is pediatric medical director of hepatology and liver transplantation at Cleveland Clinic. She also serves as the vice chair of quality improvement at Cleveland Clinic Children's Hospital. Dr. Hupertz focuses on IBD and pediatric liver disease and transplantation. She earned her medical degree from the University of Rochester (N.Y.) School of Medicine and Dentistry. She completed her residency and fellowship training at University Hospitals of Cleveland.
David A. Johnson, MD, practices with Digestive & Liver Disease Specialists in Norfolk, Va. He is also a professor of medicine and chief of gastroenterology at Eastern Virginia Medical School in Norfolk. Dr. Johnson helped enact legislation mandating colon cancer screening with colonoscopy as the preferred standard. He is a past president of the American College of Gastroenterology and co-chaired the national Gastroenterology Medicare advisors.
Anthony Nicholas Kalloo, MD, is a professor of medicine and chief of the division of gastroenterology and hepatology at Johns Hopkins Medicine in Baltimore. Dr. Kalloo has a clinical interest in natural orifice translumenal endoscopy surgery, pancreatitis, abdominal pain and Sphincter of Oddi. He completed his fellowship training at the Veterans Affairs Medical Center in Washington, D.C.
Kalle Kang, MD, practices with Overlake Internal Medicine Associates in Bellevue, Wash. Dr. Kang is a physician-owner at Eastside Endoscopy Center in Bellevue, a Physicians Endoscopy Center. Dr. Kang earned his medical degree from New York University, completed his residency at the University of Michigan in Ann Arbor and his fellowship at the University of Minnesota in Minneapolis. He then taught at the University of Connecticut Medical School in Storrs before joining Overlake Internal Medicine Associates.
Philip Katz, MD, FACG, is chairman of the division of gastroenterology at Einstein Medical Center and a clinical professor of medicine at Jefferson Medical College, both in Philadelphia. Dr. Katz is a past president of the American College of Gastroenterology. In 2013, he received the ACG Berk/Fise Clinical Achievement Award. He has a clinical interest in all aspects of gastroesophageal reflux disease. Dr. Katz completed his fellowship training at the Bowman Gray School of Medicine in Winston-Salem, N.C.
David A. Katzka, MD, is a professor of medicine at the Mayo Clinic in Rochester, Minn. A consultative esophagologist, he created the Center for Swallowing Disorders, bringing together surgeons, radiologists, neurologists, internal medicine and sleep therapy experts. He has been on the editorial board of Clinical Gastroenterology and Hepatology and served as a section editor of Gastroenterology.Dr. Katzka completed his fellowship training at the Hospital of the University of Pennsylvania in Philadelphia.
Lawrence Kim, MD, practices with South Denver Gastroenterology in Parker, Colo. In 2004, he became the first gastroenterologist to join the board of directors of the Accreditation Association for Ambulatory Health Care. He is also an AAAHC surveyor. In addition to his clinical practice, Dr. Kim is a member of the American Society for Gastrointestinal Endoscopy and Crohn's and Colitis Foundation of America. He completed his residency at Beth Israel Hospital in Boston and his fellowship at the University of California in San Francisco.
Michelle K. Kim, MD, is a past president of the New York Society for Gastrointestinal Endoscopy. Dr. Kim is an associate professor of medicine and gastroenterology at Mount Sinai Hospital in New York. She focuses on pancreatic cancer and disorders, colonoscopy, endoscopy and endoscopic ultrasonography. Dr. Kim completed her fellowship training at New York Presbyterian-Weill Cornell Medical Center.
Peter S. Kim, MD, practices with Manhattan Gastroenterology in New York. Dr. Kim also serves as an attending physician at Lenox Hill Hospital in New York. He holds a faculty position at New York University School of Medicine. Dr. Kim completed his gastroenterology fellowship at Lenox Hill Hospital. He is a recipient of the John O. Vieta Award.
Donald Kirby, MD, FACP, FACG, AGAF, is the director of the Center for Human Nutrition, medical director of the intestinal transplant program and fellowship director of the nutrition support fellowship at Cleveland Clinic. Dr. Kirby focuses on a wide range of gastrointestinal issues including nutritional issues, celiac disease, esophageal motility disorders and IBD. He completed his fellowship training at Northwestern Memorial Hospital in Chicago.
Joseph Kittinger III, MD, FACP, FACG, AGAF, practices with Wilmington (N.C.) Gastroenterology and serves as a clinical associate professor of medicine at the University of North Carolina at Chapel Hill. He earned his medical degree from the University of Arkansas for Medical Sciences in Little Rock and completed his resident at the University of Arkansas. Dr. Kittinger completed his fellowship training at the University of North Carolina at Chapel Hill.
Herman Kleinbaum, MD, is founder and managing partner of Mid Hudson Gastroenterology Associates in Cortlandt Manor, N.Y. He is also the co-medical director of Hudson Valley Center for Digestive Health, also in Cortlandt Manor. Dr. Kleinbaum earned his medical degree from Stony Brook (N.Y.) University School of Medicine. He then completed his residency and fellowship at New York Medical College.
Michael L. Kochman, MD, FACP, is the Wilmott Family Professor of Medicine at the Perelman School of Medicine at the University of Pennsylvania and Hospital of the University of Pennsylvania in Philadelphia. He is also the Vice-Chair of Medicine for Clinical Services. He is the vice chair of clinical affairs. Dr. Kochman is a graduate of the University of Illinois Medical School at Chicago. He served his residency at the University of Illinois at Chicago and was chief resident at West Side VA. Dr. Kochman completed his fellowship at the University of Michigan Hospitals and Clinics in Ann Arbor.
Michael K. Koehler, MD, is an assistant clinical professor at Case Western Reserve University School of Medicine in Cleveland. Dr. Koehler practices with University of Gastroenterology Associates in South Euclid, Ohio. He is one of seven physicians on staff at the Endoscopy Center at Bainbridge in Chagrin Falls, Ohio. Dr. Koehler earned his medical degree from Case Western Reserve University School of Medicine in Cleveland and completed a residency, gastroenterology fellowship and pathology fellowship at University Hospitals.
Mark H. Kogan, MD, practices with Northern California Gastroenterology Consultants in San Pablo. Dr. Kogan has served as chief of staff at Doctors Medical Center in San Pablo and medical director for the Alta Bates Medical Group, which operates around the Bay Area. He has also been president of the Alameda Contra Costa Medical Association and served on the clinical practice committee for the American Gastroenterological Association. He completed his fellowship training at the University of Colorado Health Sciences Center in Denver.
Caroll Koscheski, MD, FACG, practices with Gastroenterology Associates — a seven-physician group in Hickory, N.C. The physician group owns a three-room endoscopy center. He previously served as chief of staff at Frye Regional Medical Center in Hickory. He earned his medical degree, residency and fellowship at Louisiana State University in Baton Rouge. Dr. Koscheski also serves as the American College of Gastroenterology governor for North Carolina.
Lawrence Kosinski, MD, MBA, AGAF, FACG, is a managing partner of Illinois Gastroenterology Group in Elgin, the result of the merger of six private GI practices. He is a member of the American Society for Gastrointestinal Endoscopy, Crohn's & Colitis Foundation of America and American College of Gastroenterology. He is also a member of the governing board of the American Gastroenterological Association and a member of the advisory board of the Illinois Health Information Exchange. He provides care at Sherman Hospital in Elgin and Algonquin Road Surgery Center in Lake in the Hills, Ill.
Marc Kudelko, DO, practices with Florida Digestive Health Specialists at the Florida Center for Gastroenterology in Largo. He completed his medical degree at Nova Southeastern College of Osteopathic Medicine in Fort Lauderdale, Fla. He then underwent his residency training at Sun Coast Hospital in Largo, Fla. Dr. Kudelko completed his fellowship training at Botsford General Hospital in Farmington Hills, Mich.
Jeffrey Kutscher, MD, FACP, FACG, AGAF, practices with Gastroenterology Consultants of South Jersey in Lumberton, N.J. Dr. Kutscher has been chief of gastroenterology at Virtua Memorial Hospital in Mount Holly, N.J., since 1988 and continues to teach gastroenterology in the Virtua residency program. He also performs procedures at Burlington County Endoscopy Center in Lumberton.
Loren A. Laine, MD, FACG, FACP, AGAF, is a professor of medicine and director of clinical research at the Yale University School of Medicine in New Haven, Conn. His research focuses on gastrointestinal hemorrhage and upper gastrointestinal injury. He is past president of the American Gastroenterological Association and a past member of the American Board of Internal Medicine. He completed his internal medicine residency at the University of California, Los Angeles and a GI fellowship at the University of California, San Diego.
Daniel Langer, MD, performs procedures at Skyline Endoscopy Center, a Pinnacle III affiliate in Loveland, Colo. He also practices with Centers for Gastroenterology in Loveland. He completed his medical degree, internship and residency at the University of Colorado Health Sciences Center in Denver. Dr. Langer underwent his gastroenterology and hepatology fellowship training at Mayo Clinic in Rochester, Minn.
Louis LaLuna, MD, is a physician with Digestive Disease Associates in Wyomissing, Pa. Dr. LaLuna also performs procedures at the Berks Center for Digestive Health, also in Wyomissing. He is a past president of the Pennsylvania Society of Gastroenterology. He completed his medical degree at the New Jersey Medical School in Newark. He underwent his residency training at Thomas Jefferson University Hospital in Philadelphia. Dr. LaLuna also completed his gastroenterology and advanced therapeutic endoscopy fellowships at Thomas Jefferson University Hospital.
Nicholas F. LaRusso, MD, is a physician and professor with the Mayo Clinic College of Medicine in Rochester, Minn. Dr. LaRusso is a past president of the AGA and the American Association for the Study of Liver Diseases. He has received distinguished achievement awards and a distinguished mentor award from the AGA. In 2014, he received the Julius Friedenwald Medal from the AGA. Dr. LaRusso completed his fellowship at the Mayo Clinic.
Bret Lashner, MD, is the director of the Center for Inflammatory Bowel Disease at Cleveland Clinic. Dr. Lashner focuses on Crohn's disease, ulcerative colitis and general gastrointestinal diseases. He serves on the editorial boards of the American Journal of Gastroenterology, Journal of Clinical Gastroenterology and Inflammatory Bowel Diseases. He completed his fellowship training at University of Chicago Hospitals.
James S. Leavitt, MD, is a physician at Gastro Health in Miami. Dr. Leavitt earned his medical degree from the State University of New York Downstate Medical School in Brooklyn. He completed his internship, residency and gastroenterology fellowship at Jackson Memorial Hospital in Miami. He has served as a member of the American College of Gastroenterology's practice management committee.
Barry Levenson, MD, practices with Northwest Gastroenterology in Bellingham, Wash., and performs procedures at Northwest Endoscopy Center, also in Bellingham. Dr. Levenson has been with Northwest Gastroenterology since 1991. He earned his medical degree from McGill University in Montreal, Canada. He then completed his residency at the University of California – San Diego and underwent his fellowship training at Harvard-New England Deaconess Hospital/Lahey Clinic.
Jay R. Levinson, MD, FACG, is a physician with Digestive Health Associates and performs procedures at the Michigan Endoscopy Center, both in Farmington Hills, Mich. Dr. Levinson earned his medical degree from Wayne State University in Detroit and completed his residency at Sinai-Grace Hospital in Detroit. He underwent his fellowship training at Wayne State University in Detroit. Dr. Levinson has a special interest in IBD, Barrett's esophagus and other esophageal disorders.
Scot M. Lewey, DO, FACG, FASGE, AGAF, is an adjunct clinical professor of medicine at Rocky Vista University-College of Osteopathic Medicine in Parker, Colo. Dr. Lewey focuses on digestive diseases, celiac disease and food allergies. He completed his fellowship training at Fitzsimons Army Medical Center in Aurora, Colo.
Blair S. Lewis, MD, FACP, FACG, FASGE, is one of the medical directors of the Physicians Endoscopy center Carnegie Hill Endoscopy in New York. Dr. Lewis played a key role in making Carnegie Hill Endoscopy one of the first FUSE Centers of Excellence. He served on the American College of Gastroenterology board of directors for six years. He is also a past president of the New York Society for Gastrointestinal Endoscopy and the New York Academy of Gastroenterology. Dr. Lewis serves on the board of AliveandKickn.org, a charitable organization focused on raising awareness and prevention of colorectal cancer.
James D. Lewis, MD, MSCE, is the associate director of the Inflammatory Bowel Disease Program and senior fellow of the Leonard Davis Institute of Health Economics at the University of Pennsylvania in Philadelphia. Dr. Lewis has directed two NIH-funded clinical trials of novel IBD therapies. He is also the past chair of the Crohn's and Colitis Foundation of America National Scientific Advisory Committee. Dr. Lewis completed fellowships in gastroenterology and pharmacoepidemiology at the University of Pennsylvania.
Gary R. Lichtenstein, MD, FACG, FACP, is director of the Inflammatory Bowel Disease Center and a professor of medicine at the University of Pennsylvania School of Medicine in Philadelphia. Dr. Lichtenstein has served on the editorial boards of Gastroenterology, American Journal of Gastroenterology, Inflammatory Bowel Diseases, World Journal of Gastroenterology and Digestive Diseases and Sciences. He has also served as medical secretary for the Gastroenterology Section at the American Board of Internal Medicine. He completed his fellowship training at the Hospital of the University of Pennsylvania.
Rosario Ligresti, MD, is the chief of the gastroenterology division and director of the Pancreas Center at Hackensack (N.J.) University Medical Center. Dr. Ligresti completed his medical degree at New York Medical College and his residency at Cornell Medical Center-New York hospital. He then completed his fellowship at Columbia Presbyterian Medical Center in New York. Dr. Ligresti also has training in endoscopic ultrasound.
Robert Lindenberg, MD, FACG, has been practicing medicine since 1981. He performs procedures at the Nueterra-affiliated Endoscopy Center of Northwest Connecticut in Torrington. Dr. Lindenberg earned his medical degree from the Johns Hopkins University School of Medicine in Baltimore. He went on to complete his residency at Montefiore Hospital of the University of Pittsburgh Medical Center and his fellowship at New York University-Bellevue Hospital Center.
Edward V. Loftus Jr., MD, is a professor of medicine in the Division of Gastroenterology and Hepatology at Mayo Clinic in Rochester, Minn. Dr. Loftus is on the steering committee of the IBD Working Group and has chaired the Patient Education Committee of the Crohn's and Colitis Foundation of America. He is on the editorial board of the journals Clinical Gastroenterology and Hepatology and Inflammatory Bowel Diseases. Dr. Loftus completed his fellowship training at Mayo Clinic College of Medicine.
Mary Lynne, Lucido, MD, performs procedures at Nueterra-affiliated Saint Luke's Surgicenter in Lee's Summit, Mo. Dr. Lucido completed her medical degree at the University of Missouri-Kansas City. She then completed her residency at the University of Minnesota in Minneapolis. Dr. Lucido was the chief resident at the Minneapolis VA Medical Center. She then went on to undergo her fellowship training at the University of Minnesota. Dr. Lucido is a member of the American Gastroenterological Association and American Society of Gastrointestinal Endoscopy.
Scott Mackenzie, MD, performs procedures at Peak One Surgery Center, a Pinnacle III-affiliated center in Frisco, Colo., and practices at several locations throughout the Denver metro area. Dr. Mackenzie has authored several papers on eosinophilic esophagitis and won a number of research awards, including the Virginia Schuman Scholarship. Dr. Mackenzie completed his medical degree and residency at the University of Colorado School of Medicine in Aurora.
Yogesh Maheshwari, MD, practices with Gastroenterology Associates in Williamsville, N.Y. Dr. Maheshwari also performs procedures at the Endoscopy Center of Niagara in Niagara Falls, N.Y. He has been in practice since 1999. He received his medical degree from Mauluma Azad Medical College University of Delhi in New Delhi, India. He then completed his residency at the State University of New York in Buffalo and his fellowship at the State University of New York at the Buffalo School of Medicine and Biomedical Studies.
James F. Martin, MD, has practiced at Kaiser Permanente San Rafael Medical Center for more than 30 years. Dr. Martin served in Operation Desert Storm, for which he was awarded the Meritorious Service Medal for Superior Performance. He won the American Gastroenterological Association's 2010 Distinguished Clinician Award. Dr. Martin earned his medical degree from The Ohio State University College of Medicine in Columbus and completed his residency at Johns Hopkins Hospital in Baltimore. He then underwent his fellowship training at UC San Francisco Medical Center.
Arthur McCullough, MD, a former president of the American Association for the Study of Liver Diseases, is a staff physician in the department of gastroenterology and hepatology and in the department of pathobiology and transplantation center at Cleveland Clinic. He helped develop a non-invasive test for liver disease without a liver biopsy. Dr. McCullough earned his MD from SUNY Health Science Center at University Hospital of Syracuse (N.Y.) and completed residency at Cleveland Clinic and a fellowship at Mayo Clinic in Rochester, Minn.
Alfred McNair Jr., MD, is a gastroenterologist with Digestive Health Center in Biloxi, Miss. Dr. McNair founded Digestive Health Center, which now has seven physicians. He earned his medical from Presbyterian-St. Luke's Medical Center in Denver and completed his medical and specialty training at Stanford University in Palo Alto, Calif., and at Columbia University in New York.
Kenneth R. McQuaid, MD, FASGE, is the interim vice chair of medicine, chief of medical service and chief of gastroenterology at the San Francisco VA Medical Center. Dr. McQuaid is also a professor of medicine at UCSF School of Medicine. He serves as secretary of the American Society for Gastrointestinal Endoscopy. He earned his medical degree at University of California, San Francisco and completed his residency at Hennepin County Medical Center in Minneapolis. He has also completed a fellowship at UCSF.
Klaus Mergener, MD, PhD, MBA, is a partner at Digestive Health Specialists, and the Medical Director, Gastroenterology at MultiCare Health System in Tacoma, WA. He is an Affiliate Professor of Medicine at the University of Washington in Seattle, WA. Dr. Mergener's areas of clinical expertise include interventional endoscopy, cancer prevention, biliary and pancreatic diseases. He is a recent member of the Governing Board of the American Society for Gastrointestinal Endoscopy (ASGE), and the current Vice-Chair of the ASGE Foundation Board of Trustees. In addition to his clinical activities, Dr. Mergener is the co-founder of the GI Roundtable network, a large group of GI physician leaders and administrators who work together to assess the implications of healthcare reform on the practice of gastroenterology.
Anmarie Moore, MD, has practiced with Bay Area Gastrointestinal Endoscopy and Liver Disease Specialists in Clearwater, Fla., since 2007. She earned her medical degree from the University of New Mexico in Albuquerque and then completed her residency training at Cedars-Sinai Medical Center in Los Angeles. Dr. Moore underwent her fellowship training at the University of Arizona in Tucson.
Steven J. Morris, MD, JD, is a co-founder and managing partner of Atlanta Gastroenterology Associates. He is also a clinical associate professor at Emory University School of Medicine in Atlanta. He is a past president of the Georgia Gastrointestinal Society and served as chief of staff at Emory University Hospital. Dr. Morris earned his medical degree from the University at Buffalo (N.Y.) and completed his residency at Emory University Affiliated Hospitals in Atlanta and a fellowship in digestive diseases at the University of Miami.
Arvind Movva, MD, is the CEO of Gastroenterology Consultants in Moline, Ill., and also serves as the assistant medical director of Valley View Anesthesia, Midwest Clinical Research Associates and Regional Surgicenter in Moline. He is a consultant with Movva Medical Consulting. He is a member of the American Gastroenterological Association and American Society for Gastrointestinal Endoscopy. He completed his residency at the University of Illinois Medical Center in Chicago and has completed fellowship training in gastroenterology and hepatology at the Medical College of Georgia in Augusta.
Robert Neidich, MD, is a gastroenterologist with Gastro-Intestinal Associates in Lima, Ohio. Dr. Neidich completed his GI fellowship training at Washington University in St. Louis. He is also a former chief of staff at St. Rita's Medical Center in Lima.
Mark Noar, MD, MPH, practices at Endoscopy Microsurgery Associates in Towson, Md. Dr. Noar was the first clinical adopter of the Stretta procedure for the treatment gastroesophageal reflux disease. He also serves as chairman and CEO of The 3CPM Company. Dr. Noar completed his residency training at the Downstate Medical Center/Brooklyn (N.Y). VA and completed his therapeutic endoscopy training at the University Hospital in Hamburg, Germany. Dr. Noar completed his MPH in tropical medicine and international health at Tulane University in New Orleans.
Crystal North, DO, performs procedures at the Pinnacle III-affiliated Skyline Endoscopy Center and practices with Centers for Gastroenterology, both in Loveland, Colo. Dr. North earned her medical degree from Midwestern University in Chicago and completed her residency training at Providence St. Vincent Medical Center in Portland, Ore. She returned to Midwestern University to complete her fellowship.
M. Bishr Omary, MD, PhD, is chair of the department of molecular and integrative physiology, professor of internal medicine and the H. Marvin Pollard Professor of Gastroenterology at the University of Michigan in Ann Arbor. He previously served as chief of the gastroenterology division and director of the NIH-funded Digestive Disease Center at Stanford (Calif.) University. He has a wide array of research interests, including the epithelial biology of the liver, intestine and pancreas; genetic and proteomic studies related to liver disease; and hepatocyte inclusions. He is the editor-in-chief of Gastroenterology.
Bergein F. Overholt, MD, FACP, MACG, practices with Gastrointestinal Associates in Knoxville, Tenn. Dr. Overholt was a key contributor to the development of the flexible fibersigmoidoscope-colonscope, earning him the Schindler Award from the American Society of Gastrointestinal Endoscopy and the William Beaumont Award from the American Medical Association. He is a founding member and past president of the Tennessee Society for Gastrointestinal Endoscopy, as well as a past president of the ASGE. Dr. Overholt completed his fellowship training at the University Hospital in Ann Arbor, Mich.
Paulo Pacheco, MD, practices with Manhattan Endoscopy in New York. He also serves as an assistant attending physician at Lenox Hill Hospital and New York University Langone Medical Center. He completed his fellowship training at the New York Presbyterian Hospital-Weill Cornell Medical Center. Afterwards, he served as the youngest fellowship program director at Weill Medical College for four years.
Daniel J. Pambianco, MD, has practiced with Charlottesville (Va.) Gastroenterology Associates since 1989. He is also director of endoscopy at Martha Jefferson Hospital in Charlottesville. Dr. Pambianco is a past president of the Virginia Gastroenterological Society. He has received three MSD Grants, a Glaxo Grant and a Biomedical Research Support Grant. Dr. Pambianco completed his fellowship training at the University of Virginia in Charlottesville.
Henry P. Parkman, MD, is a professor of medicine and director of the GI Motility service at Temple University School of Medicine in Philadelphia. His interests include motility disorders of the esophagus, stomach, small intestine and colon. Dr. Parkman earned his medical degree from Case Western Reserve University in Cleveland. He completed a residency at Johns Hopkins Hospital in Baltimore, a GI fellowship at the Hospital of the University of Pennsylvania in Philadelphia and a GI research fellowship in Mayo Clinic Medical School in Rochester, Minn.
Richard Peek Jr., MD, is director of the gastroenterology division, the Mina Cobb Wallace Chair in Immunology and a professor of cancer biology at Vanderbilt University Medical Center in Nashville, Tenn. Dr. Peek specializes in research on the pathogenesis of Helicobacter pylori infection and gastric cancer. He earned his medical degree from University of North Carolina at Chapel Hill, completed his residency at the University of Alabama at Birmingham Health System and his fellowship at Vanderbilt University Medical Center.
John L. Petrini, MD, FACP, is a past president of the American Society of Gastrointestinal Endoscopy. Dr. Petrini practices at Sansum Clinic's Pueblo Multi-Specialty Clinic in Santa Barbara, Calif. He earned his medical degree from University of California San Francisco. He completed his residency at Emory University Affiliated Hospitals in Atlanta and his fellowship at University of California Los Angeles Medical Center.
Irving Pike, MD, FACG, is the CMO of John Muir Health in Walnut Creek, Calif., as well as director and president of the Gastroenterology Quality Improvement Consortium. He is the treasurer of the American College of Gastroenterology. He has had experience as a physician executive with Sentara Health Care in Norfolk, Va., where he also served as vice president for medical affairs. He completed his internal medicine residency and gastroenterology fellowship at the University of Texas Health Science Center and Parkland Memorial Hospital in Dallas.
Mark Pimentel, MD, FRCPC, is the director of the gastrointestinal motility program and laboratory at Cedars-Sinai Medical Center in Los Angeles. Dr. Pimentel also serves as an assistant professor of medicine at the UCLA Geffen School of Medicine. He spearheaded research focused on bacterial overgrowth as a cause of IBS. Dr. Pimentel completed his fellowship training with the UCLA Integrated Training Program.
Benoit Pineau, MD, FRCP, joined the Borland-Groover Clinic in St. Augustine, Fla., in 2008. Dr. Pineau earned his medical degree from the University of Ottawa in Ontario, Canada. He completed his gastroenterology fellowship at the University of Ottawa and completed a fellowship in interventional endoscopy at the Medical University of South Carolina in Charleston. He has also served as an associate professor of medicine at Wake Forest University in Winston-Salem, N.C.
Scott E. Plevy, MD, is an associate professor of medicine at the University of North Carolina School of Medicine at Chapel Hill. He was co-director of the Inflammatory Bowel Disease Center at the University of Pittsburgh and has served as basic science section editor for Inflammatory Bowel Diseases. His research interests include inflammatory bowel disease, innate immunity, cytokine biology and inflammation, and he has been the principle investigator for numerous clinical trials in ulcerative colitis and Crohn's disease. Dr. Plevy also works with Janssen Research & Development on immunology initiatives.
Daniel K. Podolsky, MD, has been the president of University of Texas Southwestern Medical Center in Dallas since 2008. As president, he holds the Phillip O'Bryan Montgomery Jr. MD, Distinguished Presidential Chair in Academic Administration. Additionally, he is a professor of internal medicine and the Doris and Bryan Wildenthal Distinguished Chair in Medical Science. Previously, he was the chief of gastroenterology at Massachusetts General Hospital in Boston. Dr. Podolsky earned his medical degree from Harvard Medical School in Boston. He completed his residency and fellowship training at Massachusetts General Hospital.
D. Brent Polk, MD, is the chair of the pediatrics department at Children's Hospital Los Angeles and chair of pediatrics and vice dean for Child Health at the Keck School of Medicine of the University of Southern California in Los Angeles. Dr. Polk is also a professor of pediatrics at the Keck School of Medicine. He has served as an ad hoc journal reviewer for more than three dozen medical journals. He previously served as the chief of the Dr. Brent Polk Division of Pediatric Gastroenterology, Hepatology and Nutrition and director of the Digestive Disease Research Center at Vanderbilt University Medical Center in Nashville, Tenn.
John W. Popp Jr., MD, has served as a director of AmSurg since 2009. He has served as medical director for Johnson & Johnson biomedicines unit Centocor and chief of the Division of Digestive Diseases and Nutrition at the University of South Carolina School of Medicine in Charleston. Dr. Popp completed his fellowship training at Massachusetts General Hospital in Boston.
Daniel H. Present, MD, is a clinical professor of medicine and gastroenterology at Mount Sinai Hospital in New York. He is the founder of the Foundation for Clinical Research in Inflammatory Bowel Disease at Mount Sinai and co-founder of the Foundation for Clinical Research in Inflammatory Bowel Disease. Over the course of his career, Dr. Present has received the American Gastroenterological Association Distinguished Clinician award, American College of Gastroenterology Master award and Crohn's & Colitis Foundation of America Lifetime Achievement Award.
Douglas Rex, MD, FACG, is the chief of endoscopy at Indiana University Hospital in Indianapolis. He is also a distinguished professor of medicine and the Chancellor's Professor of Medicine. He has a clinical interest in colorectal cancer screening, Barrett's esophagus, endoscopy, IBD, GI bleeding and constipation. Dr. Rex co-authored the ACG and Gastroenterology Consortium colorectal cancer screening recommendations. He has served on the editorial boards of a number of scientific journals. Dr. Rex completed his fellowship training at the Indiana University Medical Center.
David T. Rubin, MD, is the Joseph B. Kirsner Professor of Medicine, co-director of the Digestive Diseases Center and section chief of the gastroenterology, hepatology and nutrition division at The University of Chicago. He served as principal investigator for several research projects and clinical trials. He is interested in new therapies for IBD, the genetics of IBD and better screening tools for colorectal cancer. Dr. Rubin completed his residency and fellowship training at The University of Chicago Medicine.
Moshe Rubin, MD, is director of gastroenterology and program director of the gastroenterology fellowship training program, as well as the director of the Digestive Disease Service Line at New York Hospital Queens. Dr. Rubin earned his medical degree from Yale University in New Haven, Conn., and completed his residency and fellowship at New York Presbyterian Hospital. He has a special interest in capsule endoscopy, double balloon enteroscopy, celiac disease, GERD, Crohn's disease, ulcerative colitis, C. difficile and colonoscopy.
Raymond Rubin, MD, is the chief scientific officer of the Transplant Institute at Piedmont Healthcare in Atlanta. Dr. Rubin founded Piedmont Healthcare's liver transplant institute in 2004. He left in 2011 to serve as the medical director of Boston-based company, but returned to lead the Transplant Institute in 2014. Dr. Rubin completed his fellowship training at the Hospital of the University of Pennsylvania in Philadelphia.
Anil K. Rustgi, MD, AGAF, is chief of the division of gastroenterology at the Perelman School of Medicine in Philadelphia, and director of its Center for Molecular Studies in Digestive and Liver Diseases. He is also the director of the Joint Center for Digestive, Liver and Pancreatic Medicine at the University of Pennsylvania's school of medicine and Children's Hospital of Philadelphia. Dr. Rustgi is also the T. Grier Miller Professor of Medicine and co-program leader of the Tumor Biology Program at the University of Pennsylvania Abramson Cancer Center. He is a past president of the American Gastroenterological Association.
Robert Sable, MD, FACP, FACG, AGAF, co-founded Riverdale Gastroenterology and Liver Diseases in the Bronx, N.Y., in 1981. He also serves as co-medical director of Advanced Endoscopy Center in New York. Dr. Sable has also served as the medical staff president of Montefiore Medical Center in New York. Dr. Sable completed his medical degree at Albert Einstein College of Medicine in the Bronx, New York. He underwent his residency training at Montefiore Medical Center and his fellowship training at New York Medical College.
Julio A. Salcedo, MD, practices at Capital Digestive Care's Washington Gastroenterology in Washington, D.C., and Chevy Chase, Md. Dr. Salcedo focuses on hepatic drug metabolism and clinical trials. He completed a fellowship in clinical pharmacology in the combined Georgetown University-National Institutes of Health Program. Dr. Salcedo also completed his gastroenterology fellowship at Georgetown University Medical Center.
Syed A. Samad, MD, FACP, FACG, FASGE, AGAF, is the founder and medical director of Arkansas Surgery & Endoscopy Center in Pine Bluff and Little Rock. Dr. Samad is also an adjunct clinical professor of medicine at the University of Arkansas for Medical Sciences in Little Rock. He practices at Digestive Care in Pine Bluff, which he established in 1994. Dr. Samad is a past president of the Association of Physicians of Pakistani Descent of North America.
William J. Sandborn, MD, AGAF, is a professor of medicine and chief of the gastroenterology division at UC San Diego School of Medicine. Dr. Sandborn directs a large clinical research unit focused on clinical trials in IBD. He authored the American Gastroenterological Association's new clinical decision support tool for Crohn's disease. Dr. Sandborn completed his fellowship training at the Mayo Clinic in Rochester, Minn.
Robert S. Sandler, MD, MPH, is chief emeritus of the division of gastroenterology and hepatology at the University of North Carolina School of Medicine at Chapel Hill. He is also the Nina and John Sessions Distinguished Professor of Medicine. Dr. Sandler's research, funded by the National Institutes of Health, focuses on the epidemiology of several digestive disorders and cancer. Dr. Sandler earned his MPH in epidemiology from the University of North Carolina, where he also completed his fellowship training.
Bruce E. Sands, MD, MS, AGAF, FACG, is the Dr. Burrill B. Crohn Professor of Medicine at Mount Sinai Hospital in New York. Prior to joining Mount Sinai Hospital in 2010, Dr. Sands was the medical co-director of the Crohn's & Colitis Center at Massachusetts General Hospital in Boston. He is also the chair of the Clinical Research Alliance of the Crohn's Foundation of America. In 2006, the New England Chapter of the Crohn's and Colitis Foundation of America named him the Humanitarian of the Year.
Harry Sarles Jr., MD, FACG, is a private practice gastroenterologist with the Digestive Health Associates of Texas in Dallas. His clinical interests include pancreato-biliary problems of the GI tract, gastrointestinal bleeding problems, gastroesophageal reflux disease and inflammatory bowel disease. He is the immediate past president of the American College of Gastroenterology. In 2005, he received the Marcel Patterson/Robert Nelson Career Service Award from Texas Society for Gastroenterology and Endoscopy. Dr. Sarles completed his fellowship training at the VA Hospital in Phoenix.
Mark A. Schattner, MD, FACP, CNSP, practices at the Memorial Sloan-Kettering Cancer Center in New York. Dr. Schattner is a past president of the New York Society for Gastrointestinal Endoscopy. He has a special interest in therapeutic endoscopy and specialized nutrition support for cancer patients. Dr. Schattner earned his medical degree from the University of Pennsylvania School of Medicine and completed a residency at New York Hospital/Cornell Medical Center and a fellowship at Memorial Sloan-Kettering Cancer Center.
Lawrence Schiller, MD, FACG, is a member of the board of directors and a Quality Assurance and Credentialing Committee member at Digestive Health Associates of Texas in Dallas. He is the program director of the gastroenterology fellowship and chairman of the Institutional Review Board for Human Subject Protection at Baylor University Medical Center in Dallas. His clinical interests include gastroesophageal reflux disease, irritable bowel syndrome and Crohn's disease. He is the past president of the American College of Gastroenterology and a member of the American Federation for Clinical Research and American Motility Society.
James Schlais, MD, practices with GastroIntestinal Associates in Wausau, Wis., and performs procedures at the Pinnacle III-affiliated Northwoods Surgery Center in Woodruff, Wis. Dr. Schlais earned his medical degree from the University of Wisconsin Medical School in Madison. He completed his residency and fellowship at the University of Texas Southwestern Medical School at Dallas.
Colleen M. Schmitt, MD, MHS, FASGE, was the 2013-2014 president-elect of the American Society for Gastrointestinal Endoscopy. She assumed the ASGE presidency in May 2014. Dr. Schmitt practices with the Galen Medical Group in Chattanooga, Tenn. She has served as a reviewer for the ASGE's journal GIE: Gastrointestinal Endoscopy. Dr. Schmitt is past president of the Tennessee Society for Gastrointestinal Endoscopy and has authored more than 50 scientific papers, books chapters, reviews and editorials. "I believe that leadership in the field of GI means to identify and share prospects for our colleagues to augment their skills and establish the means to demonstrate exceptional capabilities in the practice of gastrointestinal endoscopy," says Dr. Schmitt.
Kenneth Schoenig, MD, practices with Digestive Disease Consultants and performs procedures at the Digestive Disease Endoscopy Center, both in Normal, Ill. Dr. Schoenig completed his medical degree at The Chicago Medical School and underwent his residency training at Evanston (Ill.) Hospital. He then underwent his fellowship training at Lutheran General Hospital in Park Ridge, Ill.
Konrad S. Schulze, MD, is a professor of internal medicine-gastroenterology and hepatology at the University of Iowa Carver College of Medicine in Iowa City. He has won the Award for Sustained Achievement in Digestive Sciences from the American Gastroenterological Association. Dr. Schulze earned his medical degree from the University of Heidelberg in Germany, completed his residency at Montreal General Hospital in Canada and his fellowship at the University of Iowa.
James Scolapio, MD, is the chief of the gastroenterology division and associate chair of the department of medicine at the University of Florida in Jacksonville. He also performs procedures at Jacksonville Beach (Fla.) Surgery Center. Dr. Scolapio is a professor in the gastroenterology department at the University of Florida College of Medicine in Gainesville. He completed his fellowship training at the Mayo Graduate School of Medicine in Jacksonville, Fla.
March Seabrook, MD, FACG, practices with Consultants in Gastroenterology in West Columbia, S.C. Dr. Seabrook is a founding member and past president of the South Carolina Gastroenterology Association and past chief of medical staff at Lexington Medical Center in West Columbia. He completed his medical degree, residency and fellowship at the University of South Carolina School of Medicine in Columbia.
Stephen Sears, MD, practices with the Centers for Gastroenterology and performs procedures at the Pinnacle III-affiliated Skyline Endoscopy Center, both in Loveland, Colo. Dr. Sears earned his medical degree from the Uniformed Services University of the Health Sciences in Bethesda, Md. He completed his internship and residency training at Eisenhower Army Medical Center in Augusta, Ga., and then went on to complete his fellowship at Brooke Army Medical Center in San Antonio. Dr. Sears served an additional seven years in the military. He finished his military career as chief of gastroenterology at Madigan Army Medical Center in Tacoma, Wash.
Srinivas Seela, MD, practices with Digestive and Liver Center of Florida in Orlando. In addition to being part of the three-physician practice, Dr. Seela is an assistant professor at the University of Central Florida School of Medicine and has privileges at Florida Hospital in Orlando. His interests include advanced and therapeutic endoscopic procedures, colorectal cancer screening, gastroesophageal reflux disease and metabolic and other liver disorders. Dr. Seela completed a gastroenterology fellowship at Yale University School of Medicine in New Haven, Conn.
Thomas Sepe, MD, FACG, AGAF, is a clinical associate professor of medicine at Brown University in Providence, R.I. He performs procedures at Bayside Endoscopy Center in Providence and East Greenwich (R.I.) Endoscopy Center, both affiliates of Symbion. Dr. Sepe has a special interest in hepatitis B and C treatment. He has participated in research studies and helped develop a drug to treat hepatitis C with Gilead.
Nicholas Shaheen, MD, is a professor of medicine and epidemiology and director of the Center for Esophageal Disease and Swallowing at the University of North Carolina at Chapel Hill. Dr. Shaheen is a past president of the North Carolina Society of Gastroenterology. He also serves on the editorial boards of a number of professional journals.
Helen M. Shields, MD, is a professor in the department of medicine at Harvard Medical School and a gastroenterologist at Beth Israel Deaconess Medical Center, both in Boston. Dr. Shields has served as chair of the Colorectal Cancer Screening Advisory Committee at Beth Israel Deaconess and is winner of the Distinguished Educator Award from AGA. Dr. Shields earned her medical degree from Tufts University School of Medicine in Boston and completed a residency at New York Hospital-Cornell Medical Center and a fellowship at University of Pennsylvania Health System in Philadelphia.
Corey A. Siegel, MD, MS, is director of the Inflammatory Bowel Disease Center at Dartmouth-Hitchcock Medical Center in Lebanon, N.H. He is also an associated professor of medicine at The Dartmouth Institute for Health Policy & Clinical Practice. He has been involved in clinical trials for IBD, colonoscopy, Crohn's disease and upper endoscopy. Dr. Siegel is also on the IBD Working Group steering committee.
Leonard B. Stein, MD, is medical director of the Long Island Center for Digestive Health in Garden City, N.Y. He holds an academic appointment at State University of New York at Stony Brook. Dr. Stein earned his medical degree from the Sackler School of Medicine in New York, and Tel Aviv University in Israel. He completed his residency at Long Island Jewish Hospital and a gastroenterology fellowship at Temple University Hospital in Philadelphia.
Ann Marie Stephenson, DO, MBA, is a gastroenterologist at Capital Digestive Care's Associates in Gastroenterology in Silver Spring, Md. She has a professional interest in colorectal cancer screening, irritable bowel syndrome and inflammatory bowel disease. She is a member of the American College of Gastroenterology and American College of Osteopathic Internists. Following an internal medicine residency, Dr. Stephenson completed a fellowship in geriatric medicine and was granted an award for her research in geriatric gastroenterology. She has also completed a gastroenterology fellowship at Midwestern University in Chicago. Dr. Stephenson performs procedures at the Gastrointestinal Endoscopy Associates ASC in Rockville, Md.
Lewis Strong, MD, performs procedures at Skyline Endoscopy Center, affiliated with Pinnacle III, and practices with the Centers for Gastroenterology, both in Loveland, Colo. Dr. Strong earned his medical degree from Case Western Reserve University School of Medicine in Cleveland and underwent his residency training at the University Hospitals of Cleveland. He then finished his fellowship at Case Western Reserve University School of Medicine.
Patrick Takahashi, MD, is the chief medical information officer and chief of the gastroenterology section at St. Vincent Medical Center in Los Angeles. He has been in practice since 2000. Dr. Takahashi completed his medical degree at the University of Southern California, Los Angeles and completed his residency at Cedars Sinai Medical Center, also in Los Angles. He underwent his fellowship training at UCLA Medical Center.
Andrea Todisco, MD, is a professor of internal medicine at the University of Michigan Health System in Ann Arbor. Dr. Todisco is a winner of the Funderburg Research Award in Gastric Biology Related to Cancer of the American Gastroenterological Association. He earned his medical degree from University of Rome, completed a residency at Henry Ford Hospital in Detroit and a fellowship in gastroenterology from the University of Michigan.
Phillip P. Toskes, MD, is a professor of medicine in the division of gastroenterology, hepatology and nutrition at the University of Florida in Gainesville. Dr. Toskes is a past president of the American Gastroenterological Association. He earned his medical degree from the University of Maryland School of Medicine in Baltimore and completed his residency at the University of Maryland Hospital. He is the recipient of distinguished achievement awards from both the Florida Gastroenterologic Society and the Canadian Gastroenterological Association.
Frank Totta, DO, performs procedures at the Nueterra-affiliated Saint Luke's Surgicenter in Lee's Summit, Mo. Dr. Totta has been in practice in the Kansas City area since 2002. Dr. Totta earned his medical degree from Kansas City University of Medicine and Bioscience and completed his residency at Kansas Medical Center. Dr. Totta underwent his fellowship training at Good Samaritan Regional Medical Center – University of Arizona in Phoenix.
William J. Tremaine, MD, is a professor of medicine at Mayo Clinic in Rochester, Minn. Dr. Tremaine is winner of the Distinguished Clinician Award, clinical academic practice, from the American Gastroenterological Association. He earned his medical degree from the University of Mississippi in Jackson and completed a residency and a gastroenterology fellowship at Mayo Graduate School of Medicine.
Jacques Van Dam, MD, PhD, is a professor of medicine and director of clinical gastroenterology at Keck School Medicine – University of Southern California in Los Angeles. He has been president of both the American Society of Gastrointestinal Endoscopy and the Bockus International Society of Gastroenterology. Dr. Van Dam has been internationally recognized for his advances in the interventional endoscopy field.
John Vargo, MD, MPH, is the department chair of gastroenterology and hepatology at Cleveland Clinic. He has been selected to serve as the principal investigator of a Cook Medical clinical study on the removability of the new Evolution Esophageal Fully Covered Stent. He focuses on bile duct diseases, Barrett's esophagus, gallbladder disease, pancreatic stones, small bowel disease, strictures of the GI tract and colon polyps. He is a member of the American Society for Gastrointestinal Endoscopy, American Gastroenterological Association and an honorary fellow of the Gastroenterology Society of Ecuador. During his career he has won numerous awards, including the American Society for Gastrointestinal Endoscopy Career Development Award in 2003.
David L. Vastola, MD, is in private practice in Palm Beach, Fla. He completed his medical degree at Midwestern University in Downers Grove, Ill., and completed his residency and fellowship at the University of Buffalo (N.Y.). Dr. Vastola has held a number of clinical teaching positions over the course of his career.
Ronald Vender, MD, FACG, is a professor of medicine and the associate dean for clinical affairs at Yale School of Medicine as well as CMO of Yale Medical Group in New Haven, Conn. He chaired the National Affairs Committee of the American College of Gastroenterology and is its past president (2012 to 2013). He is board-certified in gastroenterology and internal medicine. He completed his internal medicine residency at Yale-New Haven Hospital and his gastroenterology fellowship at Yale University School of Medicine. Dr. Vender is the ACG's 2003 recipient of the William D. Carey Award and the 2008 recipient of the AGA's Distinguished Clinician Award. He is currently chairs the ACG Professionalism Committee.
Stuart Waldstreicher, MD, FACG, AGAF, is the medical director of Diagnostic Endoscopy in Stamford, Conn. He practices with Gastroenterology Consultants in Stamford and serves as the chief of gastroenterology at Stamford Hospital. Dr. Waldstreicher also serves as an assistant clinical professor of medicine at Columbia Medical Center in New York and as a clinical instructor of medicine at New York College in Valhalla.
Kenneth K. Wang, MD, FASGE, is a past president of ASGE. He is the director of the Advanced Endoscopy Group and Barrett's Esophagus Unit at Mayo Clinic in Rochester, Minn. Dr. Wang developed and launched the ASGE's first website in 1994. He serves on the editorial boards of a number of professional journals.
James J. Weber, MD, is president of Texas Digestive Disease Consultants, based in Southlake. Dr. Weber has also been president of the medical staff and chief of gastroenterology at Baylor Regional Medical Center at Grapevine (Texas). He has a special interest in colorectal cancer prevention and inflammatory bowel disease. Dr. Weber completed his fellowship training at Baylor University Medical Center in Dallas.
David C. Whitcomb, MD, PhD, is chief of the gastroenterology, hepatology and nutrition division at the University of Pittsburgh. He is also the Giant Eagle Foundation professor of cancer genetics and a professor of medicine, cell biology, physiology and human genetics. Dr. Whitcomb's laboratory group discovered the gene causing hereditary pancreatitis and other causes of pancreatic disease.
Sidney J. Winawer, MD, is the Paul Sherlock Chair in Medicine at Memorial Sloan Kettering Cancer Center in New York. He is also a professor of medicine at Weill Cornell Medical College. Dr. Winawer introduced the idea of colonoscopy for screening as chair of the U.S. Multisociety Task Force guidelines committee. He has also headed the World Health Organization Collaborating Center for the Prevention of Colorectal Cancer, which established prevention guidelines. Dr. Winawer is a past president of the American College of Gastroenterology and currently serves as co-chair of the New York City Department of Health colorectal cancer screening campaign.
Michele Woodley, MD, is the GI medical director of St. Louis Women's Surgery Center in Ballwin, Mo. As one of the few female GI physicians in the area, she is a leader in advancing the treatment of women's health issues across St. Louis and its surrounding communities.
F. Taylor Wootton III, MD, FACP, FACG, AGAF, practices with Digestive & Liver Disease Specialists in Norfolk, Va. Dr. Wootton also serves as an associate professor of clinical internal medicine at Eastern Virginia Medical School in Norfolk. He earned his medical degree from Eastern Virginia Medical School and completed a residency and a GI fellowship at Medical University of South Carolina in Charleston.
Robert Wyllie, MD, is chief of medical operations at Cleveland Clinic, a role he has held since 2011. Prior to his current role, Dr. Wyllie served as chief of Cleveland Clinic Children's Hospital, chairman of the pediatric institute and first holder of the Calabrese Endowed Chair in Pediatrics. Dr. Wyllie has presented at more than 185 national and international scientific meetings. He focuses on pediatric IBD, Crohn's disease and ulcerative colitis.
Ramnik Joseph Xavier, MD, PhD, is chief of the gastrointestinal unit and director of the Center for the Study of Inflammatory Bowel Disease at Massachusetts General Hospital in Boston. Dr. Xavier also serves as the Kurt Isselbacher Professor of Medicine at Harvard Medical School in Boston. He focuses on ulcerative colitis, Crohn's disease, celiac disease, hepatitis, gastrointestinal cancer and autoimmune disorders of the GI tract.
Russell D. Yang, MD, is chief of the gastroenterology and hepatology division and professor at Southern Illinois University School of Medicine in Springfield. Dr. Yang earned his medical degree from Baylor College of Medicine in Houston and completed his residency at Duke University Medical Center in Durham, N.C. Dr. Yang completed his fellowship at University of Texas Southwestern Medical Center in Dallas and USC Medical Center in Los Angeles. Before coming to SIU, he was an associate professor of clinical gastrointestinal and liver disease at the Keck School of Medicine – University of Southern California.
Vincent W. Yang, MD, PhD, is the Simons Chair of Medicine at Stony Brook University School of Medicine (N.Y.). Previously, Dr. Yang was the R. Bruce Logue Professor of Medicine and director of the division of digestive diseases at Emory University in Atlanta. Dr. Yang earned his PhD in biochemical sciences from Princeton (N.J.) University and completed his GI fellowship at Johns Hopkins University School of Medicine in Baltimore.
Barry Zamost, MD, is one of the founders of Long Beach (Calif.) Gastroenterology Associates, where he practices. Dr. Zamost is a member of the American Gastroenterological Association, American College of Gastroenterology and Crohn's and Colitis Foundation of America. Dr. Zamost completed his fellowship training through a combined UCLA-VA program.