To play this content JavaScript must be turned on and the latest Flash player installed.
Jeff Skoll was a pioneer of the online auction site, eBay.
In just a couple of years he went from worrying about his student debt to having hundreds of millions of dollars in stock.
He quickly put that money to use setting up a foundation to encourage social entrepreneurship and making movies with a social message.
He tells Owen Bennett-Jones what money has meant to him.