Age: 40
Net Worth: $3.3 billion
Total amount of assets: $5.0 billion
THis guy is really young. He grew up in Houston and graduated from Vanderbilt with concentrations in math and economics. He made about 3/4 of a billion dollars for Enron and got an $8 M bonus check, with which he created Centaurus Advisors. He has also signed the Giving Pledge. He retired in 2012.