Occupation: Chairman and CEO, Mondelez
She's steering Kraft spinoff Mondelez (which owns such giant food brands as Nabisco and Cadbury and is valued at some $49 billion) to strong growth in overseas markets. And Fortune calls her one of the five most powerful women in American business. So why doesn't Rosenfeld rank even higher on this list? Unlike fellow Fortune 500 CEO Miles White (No. 4), the competitive former college athlete hasn't forged many strong connections with Chicago's power brokers.
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