6 of 10
6. Mary Schapiro
6. Mary Schapiro
Chair of the SEC

Schapiro is overhauling the 75-year-old agency, still living with the ignominy of missing the Madoff scam, by replacing senior managers and bringing new scrutiny to hedge funds and insurance companies.

NEXT: 7. Olympia Snowe and Susan Collins
Last updated September 10 2009: 3:38 PM ET
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