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Aaron Chafetz is a Senior Economist at the U.S. Agency for International Development (USAID) in the Office of HIV/AIDS, where he specializes in quantitative analysis of global health data. Most of his work is concentrated in analyzing large quantities of data from health facilities and communities around the world, identifying indicator trends and outliers to inform data drive decision making within the interagency space of PEPFAR, the President’s Emergency Plan for AIDS Relief. Aaron works with a small team of data scientists and analysts, helping to advance analytics, tools, and communication both at headquarters and the field. He has held prior positions at USAID since 2013, working for the Agency’s Chief Economist and serving in the Office of Economic Policy. He received his Master's in Public Policy from the University of Virginia after studying economics and foreign affairs there as well for his undergraduate degree.