John Foust

John William Foust is an American politician who served as a member of the Fairfax County, Virginia Board of Supervisors for the Dranesville district from 2008 to 2023. The district includes McLean, Great Falls, Herndon and portions of Vienna and Falls Church. Foust made an unsuccessful bid as the 2014 Democratic candidate for Virginia's 10th congressional district in the U.S. Congress, which he lost by a margin of roughly 16% to Republican Barbara Comstock.