Power 100 rank: 21
Rank last year: Unranked
Sport: PGA Golf
Age: 37
Most recent notable achievement: Second at 2010 Masters and second at 2010 Open Championship
Earnings: $15.5 million
Key sponsors: Jaguar, Ping, UPS, Audemars Piguet

Why he's on the list: The runner-up at two major championships last year, Lee Westwood is the world's top-ranked golfer. He isn't in the stratosphere with Tiger and Mickelson because the majors remain elusive, but Westwood's endorsements added up to an estimated $12 million last year.