Senior vice president, iPod Division, Apple (AAPL)
Age: 38
It's an open secret that Fadell is the real engineering genius behind the iPod, having headed up the team that launched Apple's first MP3 player. By 2006, when Fadell was given the reins of the entire iPod division, it was generating more revenue for Apple than the Mac. What's he done for us lately? Glad you asked. Have you heard of this new thing called the iPhone? Age: 38
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