Bloomberg Markets' 50 Most Influential

By Bloomberg Markets - 2012-09-05T07:58:26Z

Matthew Staver/Bloomberg

Company Symbol % Change
10 of 55

Mark Zuckerberg

Founder, Facebook Inc.

The initial public offering in May and the hype that preceded it and the hand-wringing that followed put Zuckerberg, 28, front and center on Wall Street. Now, he needs to show he can generate ad dollars with his network of a billion or so friends.