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41. Lynn Elsenhans
Chairman, president, CEO, Sunoco; chairman, CEO, Sunoco Logistics Partners
Sunoco (SUN)
2009 rank: 45
Age: 54

Excess supply and soft demand led Sunoco to report a loss. But Elsenhans gained another CEO title this year when she was tapped to head publicly traded Sunoco Logistics Partners, a pipeline operator with $5.4 billion revenue.

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Last updated September 30 2010: 2:47 PM ET
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