Dr. David Hoos is the project director for ICAP’s PHIA Project, which is conducting population-based HIV impact assessments to measure HIV incidence and viral suppression in 20 PEPFAR-supported countries. He was senior implementation director at ICAP from 2004 to 2013 and was the director of the Multicountry Columbia Antiretroviral Program (MCAP), an eight-year cooperative agreement funded by the CDC, which supported the scale-up of HIV prevention, care and treatment in Cote d’Ivoire, Ethiopia, Kenya, Mozambique, Nigeria, Rwanda, South Africa, and Tanzania. Dr. Hoos was an initial member of the MTCT Plus Secretariat at Columbia’s Mailman School of Public Health and was responsible for establishing the procurement system for antiretroviral and other HIV-associated medications and diagnostics for the program sites. Dr. Hoos has been recognized as a technical expert in a number of areas related to HIV policy and programming. He served as a member of the Technical Review Panel for the Global Fund for AIDS, TB and Malaria (GFATM), as well as a co-chair for the Procurement and Supply Management Advisory Panel to the GFATM on procurement-related policy and country guidance. He has been a member of several WHO technical panels and was seconded to UNAIDS in Geneva as a treatment advocacy advisor for eight months in 2011. Dr. Hoos is a board-certified internist and holds a Master of Public Health degree.