42. Deirdre Connelly
Age: 48
Since joining Lilly as a sales rep back in 1984, Connelly has risen steadily through the ranks, becoming president in 2005. In 2007 her division's revenues were up 18%, to $10.1 billion, accounting for 54% of the parent company's sales. Her seat on Macy's board is a sign of Connelly's reputation and influence beyond the pharma industry.
NEXT: Nancy Peretsman
Last updated October 16 2008: 10:16 AM ET
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