Jonathan Lee "Jon" Siebels (born August 27, 1979) is an American musician, best known as the guitarist of the band Eve 6. He became a part of the band after meeting bassist and lead vocalist Max Collins during Siebels' freshman year in Crescenta Valley High School.Siebels was part of a band called Monsters Are Waiting which played shows in the Los Angeles area before Siebels and another band member left the group.