Steven John Wilson (born 3 November 1967) is an English musician and record producer, most associated with the progressive rock genre. Currently a successful solo artist, he became known as the founder, lead guitarist, singer and songwriter of the band Porcupine Tree, as well as being a member of several other bands. He has also worked with artists such as Opeth, King Crimson, Pendulum, Jethro Tull, XTC, Yes, Marillion, Orphaned Land and Anathema.