40 under 40

Our 2013 edition of the list features young hotshots who are rocking businesses as diverse as air travel, natural gas, and genetic coding, as well as—if you can believe it— government.

38. Andrew Ng

40u40 andrew ng coursera
  • Age: 37
  • Title: Co-Founder and Co-CEO
  • Company: Coursera

Massive open online courses (MOOCs) are all the rage these days, and Stanford computer scientist Ng's Coursera is the world's leading provider of them. More than 4.5 million people have signed up for Coursera's 400-plus MOOCs, and the company has raised $43 million this year—bringing its funding to $65 million from backers including Kleiner Perkins Caufield & Byers and the World Bank.

  @FortuneMagazine - Last updated September 30 2013 03:41 PM ET
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