AT&T set to end media voyage with $43 billion Discovery deal Reuters | May 17, 2021 10:54 PM EDT AT&T logo is seen on a smartphone in front of displayed Discovery logo in this illustration (Photo : REUTERS/Dado Ruvic) AT&T, owner of HBO and Warner Bros studios, and Discovery, home to lifestyle TV networks such as HGTV and TLC, said they will combine their content to form a standalone global entertainment and media business. Discovery Chief Executive David Zaslav will lead the proposed new company, which will comprise one of Hollywood's most powerful studios, including the Harry Potter and Batman franchises, news network CNN, sports programming and Discovery's unscripted home, cooking and nature and science shows.