Thrash metal musician who has worked as the lead guitarist of Anthrax from 1983 to 1995 and from 2005 to 2007.
He made his debut as the Anthrax lead guitarist in 1983.
He had to undergo an emergency triple bypass after having a heart attack.
He has twin autistic children with his wife Candi Spitz.
He collaborated with Dave Mustaine in the metal group Red Lamb.