PENNY PRITZKER

$2.8

BILLION  SELF-MADE SCORE: SOURCE: HOTELS, INVESTMENTS AGE: 60 RESIDENCE: CHICAGO PHILANTHROPY SCORE: U.S. secretary of commerce during President Obama’s second term, the Hyatt heir is back managing her investments through her firm, PSP Partners. She got her law degree and M.B.A. from Stanford and trained for an Ironman triathlon before joining the family hotel business when she was 30.