219. Jay Robert “J.B.” Pritzker
$3.4 billion self-made score: # source: Hotels, investments age: 52 residence: chicago J.d., northwestern ’93 The brothers own the Pritzker Group, a private equity and venture capital firm, though Tony has been left to run it solo as his younger brother recently turned his attention to politics. J.B., who cochaired Hillary Clinton’s 2008 campaign for the White House, announced in April that he’s running for governor of Illinois, aiming to unseat Republican governor Bruce Rauner. He’ll have to beat out several other Democrats; the primary is in March. Los Angelesbased Tony spent 2 decades running midsize manufacturing and distribution companies, including firms within the Pritzker family’s Marmon conglomerate, which was sold to Berkshire Hathaway. Their uncle and father built the Hyatt Hotel chain from a small group of airport motels.