Adam Leber

Leber, a Queens native who shares a roster with partner Larry Rudolph that includes Britney Spears, Miley Cyrus, Steven Tyler and, as of January, Fifth Harmony, got his start running the street teams at hip-hop bastion Loud Records ("I was like an animal," he boasts). Leber has been at Spears' side for her career highs and personal lows ("You can kind of tell when Larry and I are out of her life," he says), after which she emerged victorious, launching a Las Vegas residency at Planet Hollywood that has grossed $95 million since 2013, according to Billboard Boxscore. Because I don't believe you should punish your audience for choosing a platform they like.