Hilary D Marston

Hilary D. Marston is the Chief Medical Officer of the Food and Drug Administration (FDA). Before joining the FDA in 2022, she held various leadership roles in global health and medical policy. She began her career at McKinsey & Company and later worked as a program officer and special assistant at the Bill & Melinda Gates Foundation. Marston earned her medical degree from the Perelman School of Medicine and completed her residency in internal medicine and Global Health Equity at Brigham and Women's Hospital, alongside an M.P.H. from the Harvard T.H. Chan School of Public Health.

In 2013, she joined the National Institute of Allergy and Infectious Diseases (NIAID) as a medical officer and policy advisor for global health and pandemic preparedness. At NIAID, she played a key role in organizing U.S. responses to the Ebola and Zika outbreaks. In 2021, Marston moved to the United States National Security Council as director for medical and biodefense preparedness. She later served on the White House COVID-19 Response Team, leading efforts in global vaccine distribution, including managing domestic supply and international donations.

As FDA's Chief Medical Officer, Marston oversees initiatives to ensure timely reviews of combination products, promote rare disease treatments, and develop pediatric patient labeling. She provides leadership for clinical and public health emergency-related policies and coordinates the FDA’s response to public health crises. Her work has also included co-authoring several influential publications on topics like antimicrobial resistance, influenza vaccines, coronavirus infections, and chronic disease management.