U.S. Department of Health and Human Services · Public domain

Rachel Levine served as U.S. assistant secretary for health from 2021 to 2025, leading the Public Health Service Commissioned Corps as its admiral, after earlier serving as Pennsylvania's physician general and secretary of health. In 2021 she became the first openly transgender four-star officer across the nation's eight uniformed services and the first openly transgender government official to hold a Senate-confirmed office; she remains a professor of pediatrics and psychiatry at Penn State College of Medicine.