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Indra Nooyi
1. Indra Nooyi
CEO, PepsiCo (PEP)
2005 rank: 11
Age: 50
Pepsi's brand-new chief (as of Oct. 1) is a powerful force behind the consumer giant's strong profit pipeline and $108 billion stock market valuation. Formerly CFO and president, the Indian-born strategist reached the top even though she never ran a line operation at Pepsi. Nooyi believes in constant reinvention: "The minute you've developed a new business model, it's extinct, because somebody is going to copy it."
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