His Credentials: He served as the President at Def Jam Recordings in the late 1990s and early 2000s before becoming the Executive Vice President at Warner Music Group. He's currently pursuing a handful of different entrepreneurial endeavors.
What Makes Him So Smooth: At the height of Def Jam's popularity, Liles was the guy pressing the buttons and leading the show. In recent years, he revealed how he did it by writing a book and he's now setting his sights on establishing his own legacy. And nothing says "smooth" like refusing to rest on your laurels.