Twenty years and $40 billion. They seem like good round numbers.

President's Council of Advisors on Science and Technology. Criticism
In the April 2011 issue of Mother Jones a timeline of Michael Dell's life is detailed in American Magnate: Michael Dell: How a homegrown geek outsourced downsized and tax-breaked his way to the top. In a bid to enter business early he applied to take a high school equivalency exam at age eight.

In 2011 his 243. 5 billion giving him 12% ownership of the company. He is known as the founder and CEO of Dell Inc.