Grant Achatz

25. Tom Pritzker 27. John Canning Jr. 26 Grant Achatz Age: 38 Occupation: Chef/partner, Alinea, the Aviary, and Next Next Back With restaurants across the globe scrambling to emulate his cuisine, his ever-changing concepts, and his team’s tech-brilliant reservation system, this boundary-pushing chef is content to lead and let the rest follow. Achatz continues to … Read more

Mellody Hobson

40. J. Christopher Reyes 42. Patrick Ryan 41 Mellody Hobson Age: 43 Occupation: President, Ariel Investments Next Back George Lucas’s bride-to-be was an inimitable force even before the ring. The money manager, financial commentator for CBS, and chief of After School Matters (the late Maggie Daley’s charity) saw her career reach new heights in October … Read more

Christopher Kennedy

85. Brendan Sodikoff 87. Glenn Tilton 86 Christopher Kennedy Age: 49 Occupation: Chairman, Joseph P. Kennedy Enterprises Next Back In 2011, he left his job running the Merchandise Mart to launch a nonprofit that brings fresh food to low-income Chicago neighborhoods. But this Kennedy is still all Kennedy: He is the force behind the $1 … Read more

John Rowe

95. Joanne Smith 97. Tony Hu 96 John Rowe Age: 67 Occupation: Chairman, Field Museum Next Back This straight-talking former CEO cemented his considerable reputation by steering Exelon to big profits; last year, with business slowing, he decamped to focus on philanthropic and corporate board work (see “It’s Cozy at the Top”). Photograph: JOEL WINTERMANTLE/CHICAGO … Read more

Sam Zell

14. Joe Mansueto 16. Don Thompson 15 Sam Zell Age: 71 Occupation: Chairman, Equity Group Investments Next Back He’s the richest person in Chicago, with a net worth of $3.8 billion, according to Forbes. But his wealth alone does not secure him a spot on this list. Demonstrating an uncanny ability to emerge relatively unscathed … Read more

Robert Zimmer

27. John Canning Jr. 29. Steve Koch 28 Robert Zimmer Age: 65 Occupation: President, University of Chicago Next Back Can you say fast track? In the past year, the expansion-minded South Sider celebrated the openings of the Logan Center for the Arts, David Axelrod’s Institute of Politics, and a hospital at the university. And he … Read more

Patricia Hemingway Hall

54. Morton Schapiro 56. Theo Epstein 55 Patricia Hemingway Hall Age: 59 Occupation: CEO, Health Care Service Corp. Next Back She oversees the fourth-largest health insurance company in America, parent of BlueCross and BlueShield of Illinois and provider to 13 million. Look for that number to soar now that Obamacare has the green light. Photograph: … Read more

Andrew McKenna Sr.

75. Ted Phillips 77. Robert Clifford 76 Andrew McKenna Sr. Age: 83 Occupation: Chairman, Schwarz Supply Source Next Back Like John Canning Jr. (No. 27), this Winnetkan is a bigwig other bigwigs seek out for advice. He has been the nonexecutive chairman of McDonald’s—long the most admired company in the area—for nearly nine years. Photograph: … Read more

Greg Goldner

61. Susan Crown 63. Robert Falls 62 Greg Goldner Age: 43 Occupation: CEO, Resolute Consulting Next Back He runs a powerhouse public affairs firm that, during Rahm’s reign, has functioned like an appendage of City Hall: forming a PAC to support the mayor’s preferred candidates, drumming up support for closing underperforming schools, and launching a … Read more