Guitarist for the heavy metal band Slipknot alongside singer Corey Taylor, drummers Jay Weinberg and Joey Jordison, fellow guitarist Mick Thomson, percussionists Chris Fehn and Shawn Crahan, DJ Sid Wilson, and keyboardist Craig Jones. He also became a guitarist for Stone Sour, an alternative metal group.
He used to be a waiter and busboy. He has played with groups like Atomic Opera.
He won a Grammy Award for Best Metal Performance in 2006 for the song "Before I Forget" with Slipknot.
He became bandmates with Corey Taylor in both Slipknot and Stone Sour.