Founder and CEO, Amazon
When it comes to the tech giant he built from scratch, Bezos has always prioritized long-term gains over short-term profitability, a philosophy that's yielding palpable results. Analysts estimate Amazon Web Services, a cloud-based computing platform used by hundreds of thousands of businesses around the world, could generate as much as $1.5 billion. And the company's Amazon's (Fortune 500) Kindle Fire line helped popularize the 7-inch tablet form such that Apple finally released a version of its own. --JP Mangalindan ,
He's a pro-customer, tightfisted risk-taker who is conditioning Wall Street to embrace his erratic earnings. If you're running a business with high margins - watch out.