Dr. Rachel Levine was appointed by President Joe Biden in October as a four-star admiral, the highest-ranking official in the U.S. Public Health Service Commissioned Corps. Dr. Levine also serves as the HHS Assistant Secretary for Health. Levine's background is as a pediatrician. In a rich bit of irony, not only is Levine the first transgender person to serve in the uniformed health service as a four-star senior officer but is also the first "woman" to serve in that capacity.