Liles joined Def Jam Recordings in 1992 as an intern and today oversees the daily operations of DefJam/Def Soul Records, which features artists such as L.L. Cool J, Redman, and DMX. After becoming president at age 30 in 1998, he grew the label through joint ventures with Roc-A-Fella Records and Murder Inc. and the addition of Def Soul, the label???s R&B label.