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.

50 most powerful womenWhen the Most Powerful Women list premiered, just two of our honorees ran Fortune 500 companies. This year 13 do. More
25 highest-paid womenWhich corporate women raked it in - and how much did they earn? More
From the pinnacles of power by Fortune editor at large Patricia Sellers. More
Next Little Thing Wireless electricity and invisible speakers -- see what's coming in 2010. More
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 womenWhich corporate women raked it in - and how much did they earn? More
From the pinnacles of power by Fortune editor at large Patricia Sellers. More
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