Chairman and CEO
Kraft Foods
2011 rank: 1
Age: 59
Rosenfeld is the mastermind behind the planned division of Kraft Foods into two companies on Oct. 1. She will lead Mondelez International, the snacking business, and have responsibility for $35 billion in revenue (vs. $54.4 billion under her control presplit). She'll retain brands such as Oreo, Ritz, and Tang.
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