Elon Musk is also founder and CEO of SpaceX-a space launch vehicle company.
Prior to SpaceX, he co-founded PayPal, the world's leading electronic payment system, and served as the company's chairman and CEO.
went public in early 2002 and was sold to eBay
later that year for $1.5 billion.
Elon's first company was an Internet software company called Zip2
He co-founded Zip2 in 1995, serving initially as CEO and then as CTO.
was sold to Compaq
in 1999 for over $300 million in an all cash transaction.
He is CEO and chairman of Tesla Motors, a new all-electric American car company.
In addition, he is a trustee of the X Prize Foundation and the Musk Foundation, both of which have a strong interest in promoting renewable and environmentally friendly energy technologies.