Frederick Jay Rubin (; born March 10, 1963) is an American record producer and former co-president of Columbia Records. Along with Russell Simmons, he is the cofounder of Def Jam Recordings and also established American Recordings. With the Beastie Boys, LL Cool J, Public Enemy, Geto Boys, and Run-DMC, Rubin helped popularize hip hop music. He also produced a number of top-selling artists from a variety of other genres including heavy metal (Danzig, Slayer, System of a Down), alternative rock (Red Hot Chili Peppers, Weezer, The Cult), and country (Johnny Cash, Dixie Chicks).
