Robert Francis Kennedy Jr., also known by his initials
RFK Jr., is an American politician, environmental lawyer, anti-vaccine activist, and conspiracy theorist. He is the chairman and founder of Children's Health Defense, an anti-vaccine advocacy group that is a leading proponent of COVID-19 vaccine misinformation. He is on the ballot in some states as an independent candidate in the 2024 United States presidential election. A member of the Kennedy family, he is a son of the U.S. attorney general and senator Robert F. Kennedy, and a nephew of the U.S. president John F. Kennedy and senator Ted Kennedy.