Clifford "Cliff" Burnstein (born July 1948) is an American music manager and entrepreneur. He is the co-founder of Q Prime, a New York-based music management company that has represented prominent rock acts, including Metallica. Burnstein began his career at Mercury Records, where he signed Rush to their first American record deal. He later worked with Peter Mensch at the management firm Leber-Krebs, which managed AC/DC and other artists, before the two co-founded Q Prime.
