Justin Paul Hollis Shekoski (born June 11, 1983) is an American guitarist, songwriter, and vocalist, best known for being the former lead guitarist, songwriter, and backing vocalist of Saosin and The Used. He has cited guitarists John Petrucci and Paul Gilbert as some of his main inspirations. Shekoski is also known for his guitar playing style onstage, including "guitar spins," which involves spinning his guitar over his left shoulder multiple times, subsequently catching it mid-air, and continuing to play.