NET WORTH:

$2.85 billion 21%

LAST YEAR: $2.35 billion

AGE: 52

RESIDENCE: Beverly Hills

SOURCE OF WEALTH: Inheritance

THE MONEY: One of 11 heirs to the Hyatt hotel fortune runs family-funded private equity and venture capital firm Pritzker Group with brother J.B. Wealth grew in last year after sale of shares in industrial conglomerate Marmon Group.

BUZZ: Began hosting parties at new 49,300-square-foot megamansion in the Bel Air hills, where neighbor is Saudi prince. Last summer hosted campaign fundraiser for presidential candidate Mitt Romney – entry cost $50,000 per couple. Pritzker Group acquired Omaha, Neb., manufacturer Intersystems earlier this year. Sits on boards for many business and cultural organizations, including investment banking advisory firm Evercore Partners Inc., Los Angeles County Museum of Art, Hammer Museum and UCLA Institute of the Environment and Sustainability. Family fortune began when grandfather Nicholas bought distressed real estate in Chicago a century ago; sons later co-founded Marmon Group to turn around companies. Hyatt hotel chain began with single hotel near Los Angeles International Airport. Family bickering and litigation resulted in wealth breakup, including $7.5 billion deal that sold Marmon to Warren Buffet’s Berkshire Hathaway in series of acquisitions over six years. Has six children.

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