Answer
Jadakiss is currently signed to Def Jam, Roc Nation, and D-Block. Def Jam is a record label founded by Russell Simmons and Rick Rubin in 1984. It is one of the most successful record labels in history, having released albums by artists such as LL Cool J, Public Enemy, Beastie Boys, Jay-Z, Kanye West, and Rihanna. Roc Nation is a record label founded by Jay-Z in 2008.