No. 4: Warren Buffet
Net Worth: $58.2 billion
Source of wealth: Berkshire Hathaway
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Warren Buffett, Chairman of the Board and CEO of Berkshire Hathaway, poses for a portrait in New York in this October 22, 2013, file photo. Buffett's Berkshire Hathaway Inc disclosed a new $3.45 billion stake in Exxon Mobil Corp on Nov 14, 2013, after buying 40.1 million shares in the world's largest publicly traded oil company. [Photo/Agencies] |