CBS (CBS) - Get Report and Viacom (VIAB) - Get Report on Monday confirmed a series of senior management changes ahead of the closing in December of their $30 billion merger as part of the two companies' plans to shift their focus toward boosting their general content offerings and also their digital platforms.

The companies announced that Jim Gianopulos will oversee filmed entertainment, continuing as chairman and CEO of Paramount Pictures. Chris McCarthy, president of MTV, VH1, CMT and Logo, will serve as president of Entertainment & Youth brands and also oversee Comedy Central, Paramount Network, Smithsonian Channel and TV Land. 

David Nevins, chief creative officer, CBS, and chairman and CEO, Showtime Networks, will oversee CBS Television Studios, the CBS Television Network's Entertainment division, the Showtime Networks and Pop, as well as the programming of CBS All Access, the company said.

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He will also have oversight of CBS' interest in The CW, a joint venture between CBS and Warner Bros. Entertainment. In addition, Nevins will oversee BET, which will continue to be led by Scott Mills as president of BET. Nevins will also chair a new ViacomCBS Content Council.

As previously announced, Joe Ianniello will serve as chairman and CEO of CBS, overseeing CBS-branded assets such as the CBS Television Network (including CBS Entertainment, CBS News, and CBS Sports), CBS Television Studios, CBS Interactive (including CBS All Access) and CBS Television Stations.

Shares of CBS were up 0.08% at $38.14 in premarket trading on Monday, while shares of Viacom were up 1.1% at $23.

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