Merck Mercuriadis (born October 2, 1963, in Schefferville, Quebec, Canada) is a Canadian–American music executive and a music manager. He is the current CEO, Founder and managing partner of Hipgnosis Music Ltd., an artist management firm, publisher and record label based in London and Los Angeles. Mercuriadis is also known as the former manager of several notable rock and pop bands and musicians including Guns N' Roses, Iron Maiden, Elton John, Morrissey, Pet Shop Boys, Macy Gray, Mary J. Blige, Joss Stone and Jane's Addiction. Mercuriadis is notable for serving from October1986 to June 2007, as director and CEO of the Sanctuary Group PLC, a major management company, an independent record label, a merchandise company, and a booking agency based in London, New York and Los Angeles.