Dr. Richard I. Rothstein is the Joseph M. Huber Professor of Medicine and Chair of the Department of Medicine at the Geisel School of Medicine at Dartmouth. He is also a Professor of Surgery. Dr. Rothstein was Director of Gastroenterology Research and Director of the Gastrointestinal Motility Lab, before becoming the Section Chief of Gastroenterology and Hepatology in 1997, a position he held for 15 years. He served as the Associate Dean for Continuing Medical Education from 1993 to 2013.