
Stephen Hahn
Stephen Hahn is an American physician and oncologist known for his role in cancer research and his leadership in public health. He served as the 24th Commissioner of the U.S. Food and Drug Administration (FDA) from December 2019 until January 2021, where he was responsible for overseeing the safety and efficacy of medical products. Hahn gained prominence during the COVID-19 pandemic for his involvement in expediting vaccine approvals and addressing public health challenges. His background in medicine and commitment to science have shaped his contributions to healthcare and regulatory policies in the United States.