Alan E. Greenberg, MD, MPH has served as Professor and Chair of the Department of Epidemiology in the Milken Institute School of Public Health of the George Washington University since 2005.He is also a Professor of Medicine and of Microbiology, Immunology and Tropical Medicine in the GW School of Medicine and Health Sciences. Currently he is Director of the NIH-funded District of Columbia Center for AIDS Research (DC CFAR); Secretariat of the NIH-DC DOH Partnership for AIDS Progress; Principal Investigator of Public Health-Academic Partnerships with the DC Department of Health and the Elizabeth Glaser Pediatric AIDS Foundation; Senior Co-Investigator for the DC Cohort, Co-Investigator for the DC Clinical Trials Unit of the NIH-funded HIV Prevention Trials Network; and Co-Investigator of the DC site of the CDC-funded National HIV Behavioral Surveillance system. Previously Dr. Greenberg served as a medical epidemiologist for the Centers for Disease Control and Prevention from 1985-2005, providing scientific leadership for HIV epidemiology and prevention research both domestically and internationally. His assignments included serving as Chief of the HIV Epidemiology Branch from 1999-2005, and Director of Projet RETRO-CI in Cote d’Ivoire from 1993-1997. Dr. Greenberg served as a Member of the NIMH National Advisory Mental Health Council (2017-2021) and Chair (2012-2015) and a Member (2010-2015) of the CDC Advisory Committee to the Director. He was the recipient of the Alvan R. Feinstein Memorial Award for Clinical Epidemiology from the American College of Physicians in 2015, and recognized as an American Public Health Hero by Research America in 2008. He has co-authored >140 publications.