Mel Karmazin (born 1943) is the CEO of Sirius Satellite Radio. Prior he has been the COO of Viacom, a media conglomerate that includes CBS, UPN, MTV, BET, Comedy Central, Paramount and Showtime. Karmazin worked his way up from the bottom rungs of the radio ladder in New York City, eventually becoming President of Infinity Broadcasting and boss to Howard Stern. Karmazin has been inducted into the Broadcasting Hall of Fame , the Radio Hall of Fame , a recipient of the National Association of Broadcasters National Radio Award , and the IRTS Gold Medal .

Mel Karmazin is a graduate of Pace University.

Karmazin has a son Craig, forn July 11, 1975, and a daughter Dina, born in 1971, from his marriage to Sharon Karmazin, which ended in divorce in 1994.