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PEPFAR-PDAS Rebecca Brunnell

Dr. Rebecca Bunnell, PhD, MEd, is the Acting Principal Deputy U.S. Global AIDS Coordinator for PEPFAR. She serves as the second in command to the U.S. Global AIDS Coordinator, overseeing the implementation of the U.S. President’s Emergency Plan for AIDS Relief (PEPFAR)’s $6 billion annual budget and activities in over 50 countries. 

With over 30 years of public health experience, Dr. Bunnell lived and worked for 17 years in Uganda, Kenya, and Honduras. She has worked for Peace Corps, USAID, CDC, Médecins sans Frontières, the UK Medical Research Council, and non-governmental organizations. From 2019-2023, Dr. Bunnell served as CDC’s Chief Science Officer and Director of the Office of Science, providing strategic direction and leadership for over 6,000 CDC scientists. 

Dr. Bunnell helped lead major public health initiatives, including PEPFAR and Global Health Security in multiple countries. A graduate of CDC’s two-year Epidemic Intelligence Service program, she worked on emergency responses including COVID-19 and Ebola. 

Dr. Bunnell earned a Doctor of Science degree from Harvard School of Public Health, a Masters from University of Massachusetts/Amherst, and a B.A. from Yale University. She has conducted numerous public health studies and authored over 130 scientific publications. Becky spent her early childhood in Indonesia. 

U.S. Department of State

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