With a net worth of $2.5 billion, according to Forbes, the affable Gold Coast Democrat is the richest of the Chicago Pritzkers and the one who stands out for creating valuable new businesses of his own. He has become one of the most prominent private equity investors in the Midwest. Like his sister Penny (No. 8), he is also a philanthropic force: He drove the $45 million capital campaign for the Stanley Tigerman–designed Illinois Holocaust Museum in Skokie.
RELATED: Most Powerful Ex-Chicagoans | Power Couples | Power Siblings | Up-and-Comers | Poll: Which Powerful Chicagoan Would You Call Back First? | Quiz: Do You Know Chicago’s Power Players? | Back to all 100
Photograph: Bob Stefko