The board had voted at its last meeting to expand to 12 directors.
Sanchez will stand for election at the 2025 annual shareholders meeting next summer.
WBD said he was added as an independent director.
Warner Bros.
He is currently on the boards of Liberty Global and Liberty Latin America, both companies in Malones portfolio.
The cable pioneer and investor, a longtime mentor of Warner Bros.
Discovery CEODavid Zaslav, was also a major Discovery shareholder and has large stake in WBD.
Di Piazza, Jr., chairman of the board at WBD.
The Company and the industry are in a time of exceptional change, and with that comes exceptional opportunity.
That section prohibits directors and officers from serving simultaneously on the boards of competitors, subject to limited exceptions.
Newhouse is co-president of Advance and Miron is CEO of Advance/Newhouse Partnership, privately held by the Newhouse family.
The family owns about 8% ofWBDstock through its previous holding in Discovery.
Miron is also a director of Charter, as is another Newhouse family member, Michael Newhouse.
