Irene Rosenfeld

Health
Rank: 10 Job: Head of Northfield-based food giant Kraft Age: 58 Tie to Chicago: Her job Why Forbes chose her for the list: "Attentive to activist investors, Irene Rosenfeld announced a surprising corporate breakup in August that will divorce Oreos and Mac 'N Cheese in 2012." Irene Rosenfeld at a Kraft town hall in 2010. (William DeShazer/Chicago Tribune)
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