4. Lyor Cohen
The HJIC (Head Jew In Charge), Lyor Cohen is the former road manager for Run-DMC as well as managing the legendary Raising Hell tour. He was then made head of a key part of UMG sub-label, Island Def Jam, where he led the growth of its roster of artists and record labels, including Def Jam, Island Records, Roc-A-Fella, and Def Soul. Cohen’s also oversaw the careers of Jay-Z, Diddy, Mariah Carey, Slayer and Jon Bon Jovi. He recently left Warner Music Group which included labels like Atlantic, Grand Hustle, Maybach Music Group, Warner Bros. Asylum and more.