AT&T Inc (NYSE: T)âs Warner Mediaâs CEO, Jason Kilar, will remain until 2022. He revealed this amid AT&Tâs plans to spin-off Warner Media and integrates it with Discovery Inc. Amid the spin-off, the future of Jason looks uncertain in 2022. Sensing this uncertainty, Jason said he would reassess his role next year. Jason will focus on unfinished business until next year. David to head combined Discovery Unit David Zaslav, CEO of Discovery, will head the new combined entity, consisting of CNN, Batman franchises, Sports Programming, Harry Potter, Discoveryâs nature and science, cooking, and unscripted home shows.Â