Brian Christine
Brian Christine is an American urologist and a four-star admiral in the U.S. Public Health Service Commissioned Corps, who serves as the 18th assistant secretary for health at the U.S. Department of Health and Human Services since November 2025. In this role, he provides leadership on the nation's public health priorities, including chronic disease prevention and efforts to strengthen the nation's overall health. Christine also concurrently serves as the head of the U.S. Public Health Service Commissioned Corps, one of the nation's eight uniformed services. Christine was later "ceremonially" sworn in as assistant secretary on 12 December 2025.