Scott Greenstein (born 1959) is president and chief content officer of Sirius XM Radio. He leads the programming and advertising sales of the largest radio company by revenue and one of the largest subscription media companies in the world. Since Greenstein joined SiriusXM in 2004, the company’s programming lineup has expanded to include over 140 channels of commercial-free music, sports, news, comedy, talk and entertainment, broadcasting on the company’s satellite platform as well as its online streaming service, SiriusXM Internet Radio. Under Greenstein, SiriusXM has pioneered many new channels and formats. He also led SiriusXM's signing and renewing of key agreements with the National Football League, Major League Baseball, NASCAR, the National Basketball Association, the National Hockey League and Premier League soccer.Before SiriusXM, Greenstein was Chairman of USA Films. During his tenure, the studio released numerous films, including Steven Soderbergh's Traffic, Spike Jonze’s Being John Malkovich, Robert Altman’s Gosford Park, and the Coen Brothers’ The Man Who Wasn't There. Greenstein also served as Co-President of October Films, where he was instrumental in acquiring, marketing and releasing such films as The Apostle and executive producer Steven Spielberg’s Academy Award-winning documentary The Last Days.