Frederick Jay Rubin (/ˈruːbɪn/; born March 10, 1963) is an American record producer and former co-president of Columbia Records. Along with Russell Simmons, he is the co-founder 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. Rubin has also worked with artists from other genres such as Adele, Linkin Park, AC/DC, Kanye West, Johnny Cash, The Avett Brothers, Justin Timberlake, Metallica, Slayer, System of A Down, Rage Against The Machine, Red Hot Chili Peppers, Suitors of Penelope, Limp Bizkit, and Slipknot amongst others.