Deborah DeHaas

AGE: 52
OCCUPATION: Vice chairman, Deloitte

DeHaas has her finger in so many pies—she’s the first woman to chair the Chicagoland Chamber of Commerce, and she sits on several important boards—that one wonders how she has the time to oversee 9,000-plus employees across 12 states for the accounting powerhouse Deloitte.

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Photograph: Courtesy of Deloitte