"Spencer Proffer (born Salek Profesorski, December 25, 1948) is an American media and record producer. He is the CEO of Meteor 17, a convergence media production company based in Los Angeles, California, United States. Proffer produced the first hard rock record, Quiet Riot's Metal Health, to reach number 1 on the Billboard 200 chart, selling six million albums."@en . . . "1948Z"^^ . "Salek Profesorski"@en . . . "Proffer, Spencer"@en . "American record producer" . . . "Spencer Proffer"@en . "1972Z"^^ . "Profesorki, Salek"@en . "1948-12-25Z"^^ . .