Kim Kelleher was named president of advertising sales and partnerships at AMC Networks in New York. She comes from publisher Condé Nast, where she had served as chief brand officer.
John Stankey was elevated to president and chief operating officer of AT&T, a new post reporting to chairman and CEO Randall Stephenson. He will continue to serve as CEO of its WarnerMedia unit.
Rich Battista has been named CEO of Beverly Hills, California-based Imagine Media. He comes from Time Inc., where he served as president and CEO prior to the publisher’s sale to Meredith Corp.
New York-based ad technology company MediaMath has named Konrad Gerszke as president. He most recently served as group president of Nielsen Lead Markets, the ratings company’s largest division with $2.2 billion in revenue.
Ashley Kaplan has joined Nickelodeon as Burbank, California-based senior vice president, digital studios. She was senior VP, creative and production, at Fullscreen Media, overseeing ongoing production and development of premium content.
Julia Phelps was named executive vice president, chief communications and corporate marketing officer at ViacomCBS, effective at the close of the companies’ merger. She was Viacom’s executive VP, communications, culture and marketing.