Elon Musk
Michal Czerwonka / The New York Times / Redux
Pioneering Entrepeneur
Elon Musk is the South African-born entrepeneur best known for co-founding PayPal. A multi-millionaire by his mid-20s thanks to his successes with Zip2, an internet content publishing system, and PayPal, he has channeled his sizable fortune into projects that he believes will significantly impact the future of humanity.