JOHN JANICK, 37
Chairman/CEO, Interscope Geffen A&M
Last Year's Rank: 24
Jimmy Iovine's hand-picked successor has a big baseball cap to fill but continued to put his own stamp on Interscope after taking over in late May 2014. The label released Kendrick Lamar's To Pimp a Butterfly (11 Grammy nods, massive critical praise and inspiration for David Bowie's final album, Blackstar) and nurtured breakthrough LPs from Selena Gomez and Tame Impala. It also benefited from Dr. Dre's Compton, which has generated more than 61 million on-demand audio streams.