Jeanne Marrazzo, MD, MPH, FACP, FIDSA, is the Director of NIAID at the U.S. National Institutes of Health (NIH), where she oversees a USD 6.3 billion budget that supports research to advance understanding, diagnosis and treatment of infectious, immunologic and allergic diseases. She was previously the C. Glenn Cobbs Endowed Chair and Director of Infectious Diseases at the University of Alabama at Birmingham Heersink School of Medicine. She is a Fellow of the American College of Physicians and the Infectious Diseases Society of America (IDSA), and was Treasurer of the IDSA from 2021 to 2023, having served on the board since 2018. She researches the vaginal microbiome, sexually transmitted infections and HIV pre-exposure prophylaxis. She has had leadership roles in the NIH HIV Prevention Trials Network and the Infectious Diseases Clinical Research Consortium. She was a leading voice in communicating science during the COVID-19 pandemic.