Since the 1990s, he has produced, written, arranged and remixed artists including Nas, Snoop Doggy Dogg, Mary J. Blige, Kimberley Locke, Maxwell, Avant, Tupac Shakur, and Shaquille O'Neal.
Mos Def | Def Leppard | Def Jam Recordings | Jef Raskin | Def Jam | DEF CON | The Island Def Jam Music Group | El Niño (Def Squad album) | Def Poetry | DEF II | Def Comedy Jam | Mos Def & Talib Kweli Are Black Star | Mos Def's | Jef Aérosol | Def Con | So So Def Recordings | Russell Simmons' Def Poetry Jam | Life After Def | Jef Van de Wiele | Jef Poskanzer | JEF | Def Jam Rapstar | Def Jam: Icon | Def FX | Def-Con 4 | Def by Temptation |