The Future of Social Networking

Mark Zuckerberg

Founder and CEO of Facebook

What you may not know: Had a Star Wars-themed bar mitzvah, only in the last year got broadband at home, almost got expelled from Harvard for his first iteration of Facebook, which ranked student ID pictures in order of attractiveness.

What you need to know: Despite popular opinion, Zuckerberg is not obsessed with money. He is obsessed with Facebook. He hardly considered Yahoo's $1 billion buyout offer for the popular social network and has made it clear to employees he doesn't plan to sell or go public any time soon. For Zuckerberg, Facebook is all about go big or go home.

Facebook's estimated value: $9 billion