NAME: Mark Zuckerberg
OCCUPATION: CEO of Facebook Inc.
AGE: 28 (Born May 14, 1984)
RESIDENCE: Palo Alto, Calif. Grew up in Dobbs Ferry, N.Y.
EDUCATION: Philips Exeter Academy, class of 2002. Studied computer science at Harvard University before dropping out.
PROFESSIONAL CAREER: Co-founded Facebook in his Harvard dorm room in 2004, has served as CEO since.
FAMILY: Mother Karen, father Edward, sisters Arielle, Donna and Randi Zuckerberg.