Shawn Corey Carter (born December 4, 1969) better known by his stage name Jay-Z, is an American rapper and former president and CEO of Def Jam Recordingshttp://www.pitchforkmedia.com/page/news/47700-jay-z-leaves-def-jam-presidency and Roc-A-Fella Records. In addition, he co-owns The 40/40 Club and the New Jersey Nets NBA team. He is one of the most financially successful hip-hop artists and entrepreneurs in America.