Mr. Sumner Redstone serves as Chief Executive Officer at National Amusements. Mr. Sumner Redstone served as Executive Chairman of the Board of CBS Corporation. Mr. Redstone is the controlling shareholder of both companies. Prior to that, Mr. Redstone had served as Chairman of the Board of Viacom since June 1987 and Chief Executive Officer of Viacom since January 1996. He became Chairman of the Board of Viacom when National Amusements, Inc. acquired a controlling interest in the New York-based company. Mr. Redstone has been Chairman of the Board of National Amusements since 1986, and Chief Executive Officer of National Amusements since July 1967. He was President of National Amusements from July 1967 to December 1999. Viacom's operations consist of MTV Networks, BET Networks and Paramount Pictures, and include such well-known global brands as MTV, VH1, CMT, Logo, Nickelodeon, Nick at Nite, Nick Jr., TeenNick, Comedy Central, Spike TV, TV Land, BET, Rock Band, AddictingGames, Atom, Neopets, and Shockwave.