Adam Leber is an American talent manager, entrepreneur, and investor. The CEO of management company Rebel, and formerly a founding partner at Maverick Management, Leber currently manages Lil Nas X, The Kid Laroi, Labrinth, and LSD among others, and formerly managed artists including Miley Cyrus, Avril Lavigne, and Britney Spears.[2][1][3][4][5][6]