He sold the company back in '02. Six million (and 300,000) of that fortune became Musk's initial investment in Tesla in 2004. Today, PayPal has continued to grow stronger than ever. In an eBay earnings report released early this year, John Donahoe, eBay Inc. President and CEO, said "eBay mobile finished the year with $13 billion in volume - more than double the prior year - and PayPal mobile handled almost $14 billion in payment volume, more than triple the prior year. In 2013, we expect each to exceed $20 billion." As of Q2 of this year, PayPal has more than 132 million active accounts and is in more than 200 markets.