Dr. William Sandborn completed medical school and an internal medicine residency at Loma Linda University in Loma Linda California. He completed a gastroenterology fellowship at the Mayo Clinic in Rochester Minnesota in 1993. From 1993-2010, he was on the faculty of the Mayo Clinic, rising to Professor of Medicine, Vice Chairman of the Division of Gastroenterology and Hepatology, and Associate Dean of Research for Intellectual Property and Industry Relations. In 2011 he became a tenured Professor of Medicine and Adjunct Professor of Surgery at the University of California San Diego and Director of the IBD Center and Chief of the Division of Gastroenterology for the UC San Diego Health System. He is Vice Chair for Clinical Operations for the Department of Medicine, and a member of the UC San Diego Health System Board of Governors and of the Clinical Practice Operations Board (which oversees the clinical practice for the entire UC San Diego Health System). He was previously a co-founder of Santarus, and currently serves on the board of directors for Precision IBD. Dr. Sandborn has published over 645 peer reviewed articles including articles in the New England Journal of Medicine, Nature, Lancet, JAMA, Annals of Internal Medicine, and Gastroenterology. His h-index is 117. He is a member of the editorial board for the New England Journal of Medicine. His research interests are clinical trials and clinical pharmacology related to inflammatory bowel disease.