an American professional golfer whose achievements to date rank him among the most successful golfers of all time. Currently the World No. 1, Woods was the highest-paid professional athlete in 2007, having earned an estimated $112 million from winnings and endorsements. Golf Digest predicts Woods will become the world's first billionaire athlete in 2010, although this record may be disputed by the claim that retired Formula One driver Michael Schumacher is already worth more than one billion dollars.