Mark Elliot Zuckerberg is an American media magnate, internet entrepreneur, and philanthropist. He is known for co-founding Facebook, Inc. and serves as its chairman, chief executive officer, and controlling shareholder. He also is a co-founder of the solar sail spacecraft development project Breakthrough Starshot and serves as one of its board members
Facebook, Inc. is an American technology conglomerate based in Menlo Park, California. It was founded by Mark Zuckerberg, along with his fellow roommates and students at Harvard College, who were Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes, originally as TheFacebook.com—today’s Facebook, a popular global social networking service. Facebook is one of the world’s most valuable companies. It is considered one of the Big Five companies in the U.S. information technology industry, along with Google, Apple, Microsoft, and Amazon.