Since 1996, Shawn "JAY Z" Carter has dominated an evolution in pop culture. Between multiple businesses and accolades spanning the recording industry to global investment leaders such as Warren Buffet, JAY Z personifies the "American Dream.". JAY Z served as President and CEO of Def Jam Recordings, where he fostered the careers of international stars Rihanna, Ne-Yo and Kanye West. Dubbed one of the most influential and popular figures of rap, Jay Z's music career has successfully spanned decades.