288. E. Joe Shoen
$2.8 billion self-made score: % source: u-haul age: 68 residence: Phoenix J.d. arizona state ’81 The son of U-haul cofounder L.S. Shoen joined the company in 1973, immediately after graduating from Harvard Business School, where he had written his thesis on the selfstorage business. Thirteen years later, he led a boardroom coup, believing he could run the business better than his father. Today he is still chairman of U-haul’s $3.4 billion (sales) parent company, Amerco.