His Credentials: After discovering Roc-A-Fella Records in the late 1990s, he went on to serve as the President of Def Jam Recordings before eventually founding and helming his most recent venture, Roc Nation.
What Makes Him So Smooth: A better question: What isn't smooth about Jay-Z? From the clothes he wears to the songs he makes, Jay isn't just one of the smoothest executives in the game. He's one of the smoothest guys, period. And we dare you to say otherwise.