Most Powerful Women Entrepreneurs

In partnership with American Express, Fortune searched the U.S. for outstanding female business builders. Fortune honored these game-changers at its recent Most Powerful Women Summit. From Lauren Bush to environmental innovators, here are the winners.

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50 most powerful women
50 most powerful women
When the Most Powerful Women list premiered, just two of our honorees ran Fortune 500 companies. This year 13 do. More
25 highest-paid women
25 highest-paid women
Which corporate women raked it in - and how much did they earn? More
Postcards
From the pinnacles of power by Fortune editor at large Patricia Sellers. More
Next Little Thing
Next Little Thing
Wireless electricity and invisible speakers -- see what's coming in 2010. More
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50 most powerful women
50 most powerful women
When the Most Powerful Women list premiered, just two of our honorees ran Fortune 500 companies. This year 13 do. More
25 highest-paid women
25 highest-paid women
Which corporate women raked it in - and how much did they earn? More
Postcards
From the pinnacles of power by Fortune editor at large Patricia Sellers. More
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Retiring boomers are helping the recreational vehicle industry get back on track. Here are 8 choices for traveling in style. More
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