JoAnn E. Manson, MD, DrPH, is Chief of the Division of Preventive Medicine at Brigham and Women’s Hospital, Professor of Medicine and the Michael and Lee Bell Professor of Women’s Health at Harvard Medical School, and Professor in the Department of Epidemiology, Harvard T.H. Chan School of Public Health. Dr. Manson is an endocrinologist, epidemiologist, and Principal Investigator of several research studies, including the VITamin D and OmegA-3 TriaL (VITAL); the Women’s Health Initiative Clinical Center in Boston; the COcoa Supplement and Multivitamin Outcomes Study (COSMOS), and the cardiovascular component of the Nurses’ Health Study. Her primary research interests include randomized clinical prevention trials of nutritional and lifestyle factors related to heart disease, diabetes, and cancer and the role of endogenous and exogenous estrogens as determinants of chronic disease outcomes. Dr. Manson has received numerous honors, including the Woman in Science Award from the American Medical Women’s Association, the American Heart Association’s (AHA) Population Research Prize, the AHA’s Distinguished Scientist Award, election to the Institute of Medicine of the National Academies (National Academy of Medicine), membership in the Association of American Physicians (AAP) ,the 2013 Bernadine Healy Award for Visionary Leadership in Women’s Health, and the 2017 Women’s Health Research Award from the Massachusetts Medical Society. She served as the 2011-2012 President of the North American Menopause Society (NAMS). Dr. Manson has published more than 900 articles and is the author or editor of several books. She was also one of the physicians featured in the National Library of Medicine’s exhibition, History of American Women Physicians.