S. Brian Willson (born July 4, 1941) is a U.S. American Vietnam veteran, peace activist, and trained attorney. Willson served in the US Air Force from 1966 to 1970, including several months as a combat security officer in Vietnam. He left the Air Force as a Captain. He subsequently became a member of Vietnam Veterans Against the War and Veterans For Peace (Humboldt Bay Chapter 56, California, later Portland, OR Chapter 72, and the UK Chapter in England). Upon completion of Law School at American University in Washington, D.C., he became a member of the District of Columbia Bar. Willson has had a variety of jobs including penal consultant, prisoner rights advocate, dairy farmer, legislative aide, town tax assessor and building inspector, veteran's advocate, and small businessman.