Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world.
+1 212 318 2000
Europe, Middle East, & Africa
+44 20 7330 7500
+65 6212 1000
JOHN MACDOUGALL/AFP/Getty Images
Power 100 rank: 7
Most recent notable achievement: Eight gold medals at 2008 Beijing Games
Earnings: $6 million
Key sponsors: Subway, Speedo, Omega Watches
Why he's on the list: One year later, Phelps continues to shatter his own world records, and with the memory of his Beijing performance still fresh, most sponsors were reluctant to drop the 24-year-old despite photos of his marijuana use.