Dr. JoAnn E. Manson is a distinguished physician epidemiologist and endocrinologist, renowned for her pioneering research in preventive medicine and women's health. She serves as the Chief of the Division of Preventive Medicine at Brigham and Women's Hospital, holds the Michael and Lee Bell Professorship of Women's Health at Harvard Medical School, and is a Professor in the Department of Epidemiology at the Harvard T.H. Chan School of Public Health .