Jim Furyk

Stuart Franklin/Getty Images

Jim Furyk

Power 100 rank: 50
Sport: PGA Golf
Age: 39
Most recent notable achievement: 7th on 2009 PGA Tour Money List
Earnings: $15 million
Key sponsors: SunGard, Electronic Arts, Johnnie Walker

Why he's on the list: Furyk's consistency—he finished 2009 in the PGA top 10 for the fourth time in five years—has allowed him, slowly but steadily, to build a slew of lucrative endorsement contracts over the years.