<P> In 2004, Cohen left IDJMG for Warner Music Group, and was replaced by former Arista - now Epic executive L.A. Reid . An unhappy Liles eventually decided to follow Cohen to Warner . A bidding war for Jay - Z's contract began, and Reid appointed Jay - Z president of Def Jam . </P> <P> Under Jay - Z's leadership, Def Jam launched the successful careers of contemporary R&B singers Rihanna and Ne - Yo . At the end of 2007, Jay - Z decided not to renew his contract as the President and CEO of Def Jam in order to start his new venture, Roc Nation . Following Jay - Z's departure, L.A. Reid took over leadership of the label, as opposed to hiring a replacement . In June 2008, Shakir Stewart was appointed as Executive Vice President of Def Jam, a position that was previously left vacant since December 2007 . </P> <P> In March 2012, it was announced that former Warner Bros. Records executive Joie Manda would become the first president of Def Jam since Jay - Z . Until March 2013 when he exited his post at Def Jam and it was announced he'd be heading up the urban division of Interscope Records by his former boss, Barry Weiss . The - Dream served as Def Jam's executive vice president between 2012 and 2014 . No I.D. upholds the position of executive vice president after helping to establish GOOD Music with Kanye West; Steve Bartels is the current CEO of Def Jam . </P> <P> On April 1, 2014, it was announced that Island Def Jam would no longer be active following the resignation of CEO Barry Weiss . A press release serviced by Universal Music Group stated that IDJMG, and all of its assets would be reorganized into Def Jam Recordings, Island Records and Motown Records, all as separate entities . </P>

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