10 most powerful women in Washington
4 of 10
4. Christina Romer
Chair of the White House Council of Economic Advisers
Known for her bluntness, Romer says she's been able to go toe-to-toe with fellow economist Larry Summers. Her fingerprints were all over Obama's stimulus plan.
NEXT: 5. Valerie Jarrett
Last updated September 10 2009: 3:38 PM ET
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