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  • Age
    33
  • Title
    CEO and founder
  • Company
    Facebook

Zuckerberg has been a titan of industry for so long now, his youth is no longer remarkable or particularly noteworthy. He’s a dad, philanthropist, tastemaker (seen his book recommendations?), and seasoned businessman, admired for his strategic vision and feared for his ruthlessly competitive streak. He’s even rumored to be putting out feelers for a presidential run. We’re guessing he’ll be on this list for years to come.

40 Under 40

List Debut
2009