Sumner Murray Redstone (born Sumner Murray Rothstein; May 27, 1923 – August 11, 2020) was an American businessman and media magnate. He was the majority owner and chairman of the board of the National Amusements theater chain. Through National Amusements, Redstone and his family are majority voting shareholders of ViacomCBS (itself the parent company of CBS, MTV, TV Land, VidCon, Smithsonian Channel, CBS Television Studios, CBS Productions, Showtime Networks, Nickelodeon, Paramount Network, Big Ticket Television, ViacomCBS Domestic Media Networks, ViacomCBS Networks International, Comedy Central, Paramount Pictures, Miramax, CBS Television Stations, Network 10 and TV distributor CBS Television Distribution).