Barry Weiss Named Chairman and CEO of Island Def Jam and Universal Motown Republic Group

11:15 AM PDT 3/17/2011 by Shirley Halperin

The former RCA/Jive Label Group head steps into the position previously held by Antonio "L.A." Reid, who officially tendered his resignation today so that he can judge Simon Cowell's 'The X Factor.'

It's official. Barry Weiss has been named Chairman & CEO of Island Def Jam and Universal Motown Republic Group. The appointment comes on the heels of Antonio "L.A." Reid's departure from IDJ, which was announced today. According to sources, Reid is headed to Simon Cowell's 'The X Factor,' where he will serve as judge.