Justin Gunnar Walter Chancellor (born 19 November 1971) is an English musician formerly in the band Peach but best known as the bass player for rock band Tool. Chancellor is of English and Norwegian descent. Since settling in the US, along with his engagement in his musical projects, he and his wife Shelee Dykman Chancellor used to run a store called Lobal Orning with his friend Zack Daniels in Topanga, California, dedicated to music and literature "that shaped and changed" both of them. The store closed in 2008. He started M.T.Void music project with Piotr "Glaca" Mohammed from Sweet Noise. In October 2012, Chancellor featured as bass player on the song "In the Spirit Of.." on The Fusion Syndicate album, released by Cleopatra Records. His track also appears on the 2014 album, The Prog Box.