Robert Francis Kennedy Jr., also known by his initials RFK Jr., is an American politician, environmental lawyer, author, conspiracy theorist, and anti-vaccine activist serving as the 26th United States secretary of health and human services since 2025. A member of the prominent Kennedy family, he is a son of Senator and US attorney general Robert F. Kennedy and a nephew of US president John F. Kennedy and US senator Ted Kennedy.

Summary adapted from Wikipedia, licensed under CC BY-SA 4.0. Photo: Wikimedia Commons (see the file page for author and licence).