Captain John Ramirez joined the San Francisco Sheriff’s Office in 1998, fulfilling a longtime dream to follow and honor his family’s tradition in law enforcement. In 2005, the Sheriff’s Office promoted him to Senior Deputy, and again in 2008, to Lieutenant. He became a Captain on December 5, 2015.
Captain Ramirez is assigned to the Sheriff's Planning and Projects Division. He has served in the Field Operations Divison; Intake and Release Center; County Jails #2, 4 and 5; Investigative Services Unit; Custody Administration; Sheriff’s Patrol Unit; and Community Programs.