Greg Fidelman is an American music engineer, producer and mix engineer.
He has worked with many bands in various genres, many in the heavier rock or thrash metal genres, including
Metallica,
Slayer,
Black Sabbath,
Red Hot Chili Peppers,
Bush,
Audioslave,
Marilyn Manson,
Slipknot, and
System of a Down. Fidelman has also worked on albums by
U2,
Johnny Cash,
Neil Diamond and others.
Before going into music engineering, he was the former lead guitarist in the band
Rhino Bucket, being credited by the name Greg Fields.