Born on May 14, 1984, in Dobbs Ferry, New York, Mark Zuckerberg co-founded the social-networking website Facebook out of his college dorm room. He left Harvard after his sophomore year to concentrate on the site, the user base of which has grown to over 250 million people, making Zuckerberg a billionaire. The birth of Facebook was recently portrayed in the filmThe Social Network.Mark Elliot Zuckerberg was born on May 14, 1984, in Dobbs Ferry, New York, into a comfortable, well-educated family. His father, Edward Zuckerberg, ran a dental practice attached to the family's home. His mother, Karen, worked as a psychiatrist before the birth of the couple's four children.
