John Moyer is an American musician, best known as the current bassist and back-up vocalist for the heavy metal band Disturbed. He currently plays in Stereo Satellite, Art of Anarchy, and in 2015 he became a full-time member of the band Operation: Mindcrime. Also, was the bassist for the American supergroup Adrenaline Mob, joining in February 2012, and remained with the band until August 2014.