He quickly made a name for himself, signing such acts as Black Sabbath, the Goo Goo Dolls, and Green Day. In 1998, he became Senior Vice-President of A&R for Hollywood Records, but subsequently returned to Warner Bros. Records. He became CEO of Warner Bros. Records in 2010. As a producer, he has produced hit albums and tracks for Green Day, Goo Goo Dolls, My Chemical Romance, Phil Collins, Eric Clapton, and Alanis Morrisette, among many other artists.