Susan Crown

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Susan Crown

Age: 54

Occupation: Chairman, Susan Crown Exchange

The daughter of Lester (No. 12) and sister of James (No. 44) is a philanthropist who in May launched a foundation supporting digital education. A 2008 Obama bundler, she raised eyebrows in 2012 when she hauled in millions for Romney.

Photograph: DANIEL BAYER/ASPEN INSTITUTE