Brian Michael Southall is an American guitarist, drummer, keyboardist, vocalist, producer, and band manager. He is known for playing in bands fordirelifesake, Boys Night Out, The Receiving End of Sirens, Isles & Glaciers, and The Company We Keep. He was the tour manager for Motion City Soundtrack and for All Time Low before transitioning to production management in 2018 for different acts such as Billie Eilish and Pharrell Williams.