Gordian Knot is an American progressive rock/metal band directed by bass guitarist Sean Malone. At times its shifting lineup has included Steve Hackett of Genesis, Bill Bruford of King Crimson and Yes, Ron Jarzombek from Watchtower and Spastic Ink as well as Jim Matheos of Fates Warning, several of Malone's former bandmates from Cynic and John Myung from Dream Theater.