Jules L. Dienstag is a Physician, Gastrointestinal Unit, MGH and the Carl W. Walter Professor of Medicine. He is the former Dean for Medical Education at Harvard Medical School (2005-2014). After a BA from Columbia College (1968), an MD from the Columbia College of Physicians and Surgeons (1972), and medical residency at the University of Chicago, Dr. Dienstag joined the U.S. Public Health Service as a Research Associate in the Hepatitis Section, Laboratory of Infectious Diseases, NIAID, NIH (1972-1974). Dr. Dienstag was a gastroenterology fellow under Kurt J. Isselbacher, MD, at the MGH (1976-1978) and has been on the staff there and a member of the HMS faculty since. As a hepatologist, clinical investigator, and teacher, Dr. Dienstag has devoted his career to the understanding, prevention, and management of viral hepatitis. His studies on hepatitis B spanned epidemiology, immunology, vaccine development, and antiviral therapy, including leadership of clinical trials of the first successful oral antiviral nucleoside analog for its treatment; and he has participated in the clinical trials that established contemporary therapy for chronic hepatitis C. He continues to focus on the development of antiviral therapy for chronic viral hepatitis. He was Medical Director for Liver Transplantation at the MGH (1983-1998) and Executive Director of the MGH Liver- Biliary-Pancreas Center (1989-2005); in 1993, he established the MGH Liver Evaluation Clinic. He chaired the MGH General Clinical Research Center Advisory Committee (1999-2008) and then (2008-2015) chaired its successor, the HMS-wide Catalyst Human Research Center Advisory Committee (Clinical Translational Science Center).