Hilary Martson, MD, MPH, serves as the primary clinical advisor to the US Food and Drug Administration (FDA) commissioner and oversees the Office of Clinical Policy and Programs. She leads cross-cutting initiatives that support the FDA’s centers in making safe and effective medical products available for patients. She previously served as senior advisor for global COVID-19 response on the White House COVID-19 Response Team, director for medical biopreparedness at the US National Security Council, and policy advisor for pandemic preparedness at the National Institute of Allergy and Infectious Diseases. Marston also worked at McKinsey & Company and the Gates Foundation. She trained in internal medicine and global health equity at Brigham & Women's Hospital.