Mark Elliot Zuckerberg is an American businessman, webmaster, and programmer who co-founded the social media service Facebook and its parent company Meta Platforms. He is its chairman, chief executive officer (CEO), and controlling shareholder. Founder of the social-networking website Facebook. In 2010, Facebook passed half a billion users but was involved in privacy disputes, and Zuckerberg had been the subject of the Oscar-winning biographical film The Social Network. Wiki link