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.

6. Brian Chesky, Joe Gebbia & Nate Blecharczyk

40u40 airbnb founders
  • Age: 32, 32, 30
  • Title: Co-Founders
  • Company: Airbnb

In the five years since they launched it from a San Francisco loft, Airbnb has single-handedly legitimized couch-surfing as a hotel alternative—and provided a not-insignificant revenue stream for entrepreneurial homeowners. It's also become one of the most watched companies in the tech world, valued at $2.5 billion. Now Chesky is CEO, Gebbia chief product officer, and Blecharczyk its CTO. Although Airbnb's reach already spans more than 33,000 cities and 192 countries, its biggest asset could be a growing trove of travel data about users.

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