Warryn Stafford Campbell Jr. is an American record producer and songwriter. Known for his work in the hip-hop soul and gospel genres, Campbell originally got his start as a session musician under the wing of DJ Quik — playing piano on his third album, Safe + Sound (1995). Campbell has won five Grammy Awards, having been credited on releases by Kanye West, Alicia Keys, Mary Mary, and Yolanda Adams, among others.