Kenneth Mayer is a Medical Research Director and Co-Chair of The Fenway Institute. He is also a Professor of Medicine at Harvard Medical School; a Professor, Department of Global Health and Population at Harvard School of Public Health; Director of HIV Prevention Research and Attending Physician at Beth Israel Deaconess Medical Center; and Adjunct Professor of Medicine and Community Health at Brown University. His areas of research include international HIV/AIDS, Gay and Bisexual Men’s Health, HIV/AIDS Prevention, Microbicides, PrEP, PEP, Vaccines, Secondary Prevention, HIV/AIDS Treatment, and Antibiotic Use and Molecular Epidemiology of Antibiotic Resistance. He has served on the CDC/HRSA HIV/AIDS Advisory Committee, is a member of the PEPFAR Scientific Advisory Board, and is an Editor-in-Chief of the Journal of the International AIDS Society.