December 18, 2025
AVAC enthusiastically applauds the selection of Jeanne Marrazzo, MD, to serve as the new chief executive officer of the Infectious Diseases Society of America (IDSA). Marrazzo brings outstanding leadership and research expertise to this role. She has demonstrated decades of unwavering commitment to research and advocacy for HIV and STI prevention, and a deep understanding of the importance of equity, accountability and trust in science, research and global health.
“Jeanne Marrazzo is an extraordinary choice and perfectly suited to lead IDSA and the larger infectious disease field into the future, especially at this particularly perilous moment,” said AVAC’s executive director, Mitchell Warren. “Her deep commitment to rigorous science, inclusion and equity in research, community engagement, and accurate, evidence-based communications is unparalleled — and is needed now more than ever.”
IDSA represents clinicians, scientists and public health experts from around the world, who are driving policy and advocacy to address critical issues in combating infectious disease, from workforce development to clinical guidelines to pandemic preparedness. Marrazzo’s vision, abiding integrity and leadership at IDSA will be a boon for the field.
Marrazzo, an AVAC board member, previously served as the director of the NIH’s National Institute of Allergy and infectious Disease (NIAID). Marrazzo was put on administrative leave by the new US presidential administration earlier this year and was formally dismissed from her position in September. She has consistently displayed extraordinary commitment, courage and leadership in responding to attacks on the NIH and on science generally.
“Her actions are a model for all who believe equity and evidence are the bedrock of science, research and health. We proudly stand with Dr. Marrazzo, and we look forward to her leadership and partnership in sustaining progress against HIV and other infectious diseases and in helping re-build trust and confidence in science and public health,” said Warren.