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Dr. Mamadi Yilla

Dr. Mamadi Yilla, PhD, is a member of the Senior Executive Service of the U.S. government and is currently the Acting Deputy Coordinator for Health Diplomacy in the Bureau of Global Health Security and Diplomacy (GHSD). She most recently served as the Acting Principal Deputy U.S. Global AIDS Coordinator. As such, she served as the second-in-command to the U.S. Global AIDS Coordinator and supported the daily oversight, coordination, leadership, management, and implementation of the U.S. President’s Emergency Plan for AIDS Relief (PEPFAR) to ensure that all its activities and resources, including its annual budget of approximately $6 billion in over 50 countries was as impactful, effective, and efficient as possible. 

Prior to joining the Department of State, Dr. Yilla served the U.S. Centers for Disease Control and Prevention (CDC) as a research fellow in immunology, improving diagnostic tools for vaccine-preventable childhood diseases. 

Dr. Yilla completed undergraduate and graduate training at the State University of New York at Buffalo and post-doctoral training at MIT in Cambridge, MA. 

Born and raised in Sierra Leone, she was educated in Sierra Leone, the United Kingdom, and the United States. 

U.S. Department of State

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