25 Who Ditched Infotech for Cleantech

Elon Musk

Background: cofounder of Paypal

Current: Chairman, chief investor in Tesla, Chairman, CEO SolarCity

Musk co-founded PayPal, which sold to eBay in 2002 for $1.5 billion, as well as web media company Zip2, which was sold for $307 million to Compaq. Born in South Africa, the 36-year-old is now the chairman and main investor in electric vehicle startup Tesla Motors, and chairman of solar installer SolarCity. And that’s not even his day job — he’s also CEO and chair of space launch company Space-X. Here’s an interview we did with Musk.