The venerable investor’s Berkshire Hathaway climbed more than 15% over the last year adding $3 billion to his to fortune. The 80-year-old is still hunting big deals: “Our elephant gun has been reloaded, and my trigger finger is itchy.” Along with bridge partner Bill Gates, the Oracle of Omaha is coaxing America’s richest to pledge half their fortunes to charity. “Too often a vast collection of possessions ends up possessing its owner. The asset I most value, aside from health, is interesting, diverse and long-standing friends.
Net Worth: $46.4 billion