Jeff Bezos, Founder and CEO of Amazon

Jeff Bezos is the founder, chairman, and CEO of Amazon.com, an electronic commerce and cloud computing company. Amazon is the largest Internet-based retailer in the world. A graduate of Princeton University, Bezos founded Amazon in 1994, at the age of 30, when worldwide internet use was still in its infancy. As of September 2016, Bezos' personal wealth is estimated to be $71.3 billion, ranking him 3rd on the Forbes list of billionaires.