Summary
Mark Elliot Zuckerberg (/ˈzʌkərbɜːrɡ/; born May 14, 1984) is an American internet entrepreneur and philanthropist. Zuckerberg is known for co-founding and leading Facebook, Inc. and its namesake social networking website as its chairman and chief executive officer. He also co-founded and is a board member of the solar sail spacecraft development project Breakthrough Starshot.