 After being the drummer for No-Man on their Autumn 1993 tour (and playing on two tracks on their "Flowermouth" album), Maitland was asked by the band's Steven Wilson to join his other main project, the progressive rock band Porcupine Tree.He remained the band's drummer until February 2002, when he was dismissed  and replaced by Gavin Harrison.He played on the debut album by Blackfield in 2003, sharing drumming duties with Gavin Harrison.