Professor, Georgetown University Department of Medicine Dr. Mark Dybul Dr. Mark Dybul is a professor in Georgetown University’s Department of Medicine and the co-director of their Center for Global Health Practice and Impact. He has deep expertise in infectious disease and from 2012-2017 he served as Executive Director of the Global Fund to Fight AIDS, Tuberculosis and Malaria. Prior to that he was appointed the U.S. Global AIDS Coordinator by then President George W. Bush, overseeing the implementation of the President’s Emergency Plan for AIDS Relief (PEPFAR). He holds an A.B. and M.D. from Georgetown University.