Mark Zuckerberg, American computer programmer and businessman, co-founded Facebook

Mark Elliot Zuckerberg is an American businessman who co-founded the social media service Facebook and its parent company Meta Platforms, of which he is the chairman, chief executive officer, and controlling shareholder. Zuckerberg has been the subject of multiple lawsuits regarding the creation and ownership of the website as well as issues such as user privacy.

Facebook is an American social media and social networking service owned by the American technology conglomerate Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates, Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students. Membership was initially limited to Harvard students, gradually expanding to other North American universities.