Lin Chang, MD, is a Professor of Medicine and Vice Chair in the Division of Digestive Diseases, Department of Medicine at the David Geffen School of Medicine at UCLA. She serves as the Co-Director of the G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA. She is also Program Director of the UCLA Gastroenterology Fellowship Program. Dr. Chang’s clinical expertise is in gastrointestinal disorders which include irritable bowel syndrome (IBS), chronic constipation, and functional dyspepsia. She is a member of the Rome Foundation Board of Directors and previously served as President of the American Neurogastroenterology and Motility Society (ANMS). Dr. Chang is a fellow of the American Gastroenterological Association and the American College of Gastroenterology where she has served on numerous committees and in leadership positions. She has authored more than 100 original research articles, 50 review articles, and 20 book chapters on her specialty interests. Her special awards and honors include being selected as one of the top Gastroenterologists in America, the AGA Distinguished Clinician Award, and her recognition in the UCLA/CSMC Mid-Career Women's Leadership Program. Pharmaceutical companies and foundations have benefited from Ms. Chang’s experience and service as a consultant or member of their Advisory Board.