Venus Williams

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Venus Williams

Power 100 rank: 42
Sport: WTA Tennis
Age: 29
Most recent notable achievement: Ranked 6th in the WTA
Earnings: $8 million
Key sponsors: American Express, Nabisco

Why she's on the list: Sometimes overshadowed by her outspoken younger sister, Venus has nevertheless built an impressive portfolio for herself. She's won five Wimbledon championships and has several prestigious partnerships to her name.