Lin Chang, MD is a Professor of Medicine and gastroenterologist in the Vatche and Tamar Manoukian Division of Digestive Diseases 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 Program Director of the UCLA Gastroenterology Fellowship Program. Dr. Chang’s clinical and research expertise is in neurogastroenterology and functional gastrointestinal disorders. Her research focuses on brain-gut interactions underlying irritable bowel syndrome (IBS), specifically the pathophysiology of IBS related to stress, sex differences, genetic and epigenetic factors, and gut microbiome and the treatment of IBS.