Cheeks assumed his current role in 2020. Prior to CBS, he served more than seven years at NBCUniversal in senior executive positions, most recently as vice chairman, NBCUniversal Content Studios. Earlier, he was co-chairman of NBC Entertainment, served as co-president of Universal Cable Productions and Wilshire Studios, and president of business operations and late night programming, NBC Entertainment. George Cheeks, a top executive at Comcast Corp.’s NBCUniversal, is headed to ViacomCBS Inc. in a senior role at CBS, where he could ultimately succeed Joe Ianniello as head of the network. Mr. Cheeks, the vice chairman of NBCUniversal Content Studios, resigned from the Comcast Corp. company on Tuesday January 14 2020, a person close to him said. Mr. Cheeks is a former Viacom executive who held a senior role in its cable networks group for several years.