Gordian Knot was an American rock band directed by bass guitarist Sean Malone. At times its shifting lineup 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. Sean Malone died on December 7, 2020.