Ms. Rosenfeld is the head of the world鈥檚 second-largest food maker, famous for its blue boxes of macaroni and cheese (Kraft Mac 鈥榥鈥 Cheese) and Oreos. The company brought in close to $50 billion in revenue in 2010, spurred by some of Rosenfeld鈥檚 risky business moves that turned out to be good ones, such as acquiring Cadbury in 2010. Warren Buffet according to Forbes, but Rosenfeld boosted revenues by 25 percent that quarter.

Kraft Foods/PRNewsFoto
Kraft Foods Chairman and CEO Irene Rosenfeld rolls up her sleeves at the Community FoodBank of New Jersey, alongside employee Mark Barash and 130 other employee volunteers.