23 of 50
23. Carrie Cox
23. Carrie Cox
EVP & president, Global Pharmaceuticals
Schering-Plough (SGP)
2008 rank: 32
Age: 52

An acquisition helped boost her division's sales 40% in 2008 to $14.3 billion (it accounts for 77% of total revenue). Analysts say Merck will probably find Cox a top spot when it completes its acquisition of Schering.

NEXT: 24. Susan Chambers
Last updated September 15 2009: 12:58 PM ET
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