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2. Irene Rosenfeld
Irene Rosenfeld
Chairman and CEO
Kraft Foods (KFT)
2007 rank: 5
Age: 55

When she took the helm of the food and beverage giant, Rosenfeld implemented a three-year plan she calls "the big cheese of all turnarounds." She's plowing money into brand building, empowering local managers in developing countries, and launching more ready-to-eat fare such as heat-and-serve Deli Creations flatbread sandwiches. This year the stock, which has remained relatively flat, replaced AIG on the Dow, and Warren Buffett recently upped his stake to 9%.

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Last updated October 16 2008: 10:16 AM ET
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