M. Brian Fennerty, M.D., is professor of medicine in the Division of Gastroenterology at Oregon Health & Science University (OHSU) in Portland, Oregon. Dr. Fennerty is an authority on gastroesophageal reflux disease, Barrett's esophagus, and Helicobacter pylori. He has published more than 300 papers, book chapters, and abstracts. He is currently the editor of Journal Watch Gastroenterology and Reviews in Gastroenterological Disorders and the past associate editor of American Journal of Gastroenterology and Clinical Perspectives in Gastroenterology. He also serves on the editorial board of a number of professional publications, including Archives of Internal Medicine, Gastrointestinal Endoscopy, Alimentary Pharmacology and Therapeutics, and Evidence-Based Gastroenterology. Dr. Fennerty is a past member and current consultant of the FDA Advisory Panel on gastrointestinal and urological devices as well as the past chair of the imaging and advanced technology section of the AGA and the Research Committee of the American Society for Gastrointestinal Endoscopy, and is currently the secretary and member of the governing board of the ASGE.