Brad McQuaid is an American video game designer who was the key designer of EverQuest, a highly successful massively multiplayer online role-playing game (MMORPG) released in 1999. He later co-founded Sigil Games Online where he served as CEO and Executive Producer of Vanguard: Saga of Heroes until Sony Online Entertainment's acquisition of Sigil Games Online in May 2007. On July 6, 2012, SOE announced the re-hiring of McQuaid to continue his work on Vanguard.