Lyndon Rive
40u40 mobilize lyndon rive
Age: 35

Co-founder and CEO, SolarCity

Lyndon Rive and his family want to change how we consume and pay for energy. Alongside co-founder and brother Peter, the COO and CTO, Rive has built six-year-old clean-energy company SolarCity into a leading force in the solar leasing space, with 26 operations centers across the U.S and more than 2,000 employees. He's got major backing too -- not only has cousin Elon Musk bet on the family business, but the company filed to go public in late April and Credit Suisse just doubled down on an earlier $100 million investment in July.

--Alex Konrad

- Last updated October 11 2012 03:32 PM ET
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Fortune's 40 Under 40

Who are 2012's young business stars? We've got the CEO of a blue-chip beer brand, an airline CEO who just placed the largest order in commercial aviation history, and Warren Buffett's new prodigy, among the Silicon Valley hotshots and others.

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