Deborah L. Birx, M.D. is Ambassador-at-Large and Coordinator of the United States Government activities to combat HIV/AIDS globally. Ambassador Birx is a world renowned medical expert and leader in the field of HIV/AIDS whose three decade-long career has focused on HIV/AIDS immunology, vaccine research, and global health. As the US Global AIDS Coordinator, Ambassador Birx oversees the implementation of the US President’s Emergency Plan for AIDS Relief (PEPFAR), the largest commitment by any nation to combat a single disease in history, as well as all U.S. Government engagement with the Global Fund to Fight AIDS, Tuberculosis and Malaria. From 2005-2014, Ambassador Birx served as the Director of CDC's Division of Global HIV/AIDS (DGHA) in the CDC Center for Global Health, where she led the implementation of CDC’s PEPFAR programs around the world and managed an annual budget of more than $1.5 billion.