Lin Chang, MD is a Professor of Medicine and Vice-Chief of the Vatche and Tamar Manoukian 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 functional gastrointestinal disorders. Her research focuses on brain-gut interactions underlying irritable bowel syndrome (IBS), specifically, the pathophysiology of IBS related to stress, early life adversity, sex differences, genetic and epigenetic factors, and gut microbiome and the treatment of IBS. She is a fellow of the American College of Gastroenterology and the American Gastroenterological Association (AGA). She has recently served as the Clinical Research Councilor of the AGA Governing Board. She previously served as President of the American Neurogastroenterology and Motility Society (ANMS) and is a member of the Rome Foundation Board of Directors.