![Aldinger W 01-12.jpg](../images/Aldinger W 01-12.jpg)
William F. Aldinger
Retired
W.A. Capital
![angelson-m-22-23.png](../images/angelson-m-22-23.png)
Mark A. Angelson
Chairman
Institute of International Education
![Block J 17-18.jpg](../images/Block J 17-18.jpg)
Judith S. Block
Chairman of the Board
Field Foundation of Illinois
![Bluhm N 07-13.jpg](../images/Bluhm N 07-13.jpg)
Neil G. Bluhm
Managing Partner, LAMB Capital Advisors and
Managing Principal, Walton Street Capital
![Brady D 01-12.jpg](../images/Brady D 01-12.jpg)
Deborah H. Brady
![Burnham D 07-12.jpg](../images/Burnham D 07-12.jpg)
Duane L. Burnham
Retired Chairman and Chief Executive Officer
Abbott Laboratories
![Canning J 07-12.jpg](../images/Canning J 07-12.jpg)
John A. Canning Jr.
Chairman
Madison Dearborn Partners, LLC
![Chabraja N 01-12.jpg](../images/Chabraja N 01-12.jpg)
Nicholas D. Chabraja
Retired Chairman and Chief Executive Officer
General Dynamics Corporation
![chico-f-17-18.png](../images/chico-f-17-18.png)
Fernando Chico
Chairman
ASUR
![chookaszian-d-19-20.png](../images/chookaszian-d-19-20.png)
Dennis H. Chookaszian
Retired Chairman and Chief Executive Officer
CNA Insurance Companies
![Cole F 01-12.jpg](../images/Cole F 01-12.jpg)
Franklin A. Cole
![Combe C 01-12.jpg](../images/Combe C 01-12.jpg)
Christopher B. Combe
Former Chairman
Combe Incorporated
![Condit P 01-12.jpg](../images/Condit P 01-12.jpg)
Philip M. Condit
Retired Chairman and Chief Executive Officer
The Boeing Company
![Croghan J 01-12.jpg](../images/Croghan J 01-12.jpg)
John W. Croghan
Chairman
Rail-Splitter Capital Management, LLC
![Crown A 01-12.jpg](../images/Crown A 01-12.jpg)
A. Steven Crown
General Partner and Co-President
Henry Crown and Company
![Crown L 01-12.jpg](../images/Crown L 01-12.jpg)
Lester Crown
Chairman Emeritus
Henry Crown and Company
![Daniels.2015-08.jpg](../images/Daniels.2015-08.jpg)
Bonnie S. Daniels
![Dean.2015-08.jpg](../images/Dean.2015-08.jpg)
Richard H. Dean
Managing Director
Robeson Partners LLC
![eggemeyer-j-22-23.png](../images/eggemeyer-j-22-23.png)
John M. Eggemeyer
Chairman
Castle Creek Capital LLC
![Farrell W 01-12.jpg](../images/Farrell W 01-12.jpg)
W. James Farrell
Retired Chairman and Chief Executive Officer
Illinois Tool Works Inc.
![FitzsimonsD.14-09.jpg](../images/FitzsimonsD.14-09.jpg)
Dennis J. FitzSimons
Chairman
Robert R. McCormick Foundation
![French T 01-12.jpg](../images/French T 01-12.jpg)
T. Bondurant French
Chairman
Adams Street Partners, LLC
![Gaines B 07-11.jpg](../images/Gaines B 07-11.jpg)
Barbara Gaines
Artistic Director
Chicago Shakespeare Theater
![Galvin C 01-12.jpg](../images/Galvin C 01-12.jpg)
Christopher B. Galvin
Chairman
Blythebourne Capital LLC
![Garard J 07-11.jpg](../images/Garard J 07-11.jpg)
James L. Garard Jr.
Sr Vice President (retired)
Smith Barney
![Gleacher E 01-12.jpg](../images/Gleacher E 01-12.jpg)
Eric J. Gleacher
Private Investor
![gray-d-2019-20.png](../images/gray-d-2019-20.png)
J. Douglas Gray
Vice Chairman
Marshall Street Capital
![Gullquist H 01-12.jpg](../images/Gullquist H 01-12.jpg)
Herbert W. Gullquist
President
Hippo Investments, LLC
![Hackett.2015-08.jpg](../images/Hackett.2015-08.jpg)
H. Patrick Hackett, Jr.
Principal
HHS Partners LLC
![Hayward T 01-12.jpg](../images/Hayward T 01-12.jpg)
Thomas Z. Hayward Jr.
![hutcheson-c-22-23.png](../images/hutcheson-c-22-23.png)
Edward C. Hutcheson Jr.
Owner
Hutcheson Consulting
![Johson G 01-12.jpg](../images/Johson G 01-12.jpg)
George E. Johnson
![Jones D 07-11.jpg](../images/Jones D 07-11.jpg)
Daniel S. Jones
President
NewsBank, Inc
![Kackley J 01-12.jpg](../images/Kackley J 01-12.jpg)
James R. Kackley
Executive Director
BaseCamp USA
![Kaehler N 08-12.jpg](../images/Kaehler N 08-12.jpg)
Nancy Trienens Kaehler
![katz-e-22-23.png](../images/katz-e-22-23.png)
Ellen Philips Katz
![Kirsch W 01-12.jpg](../images/Kirsch W 01-12.jpg)
William S. Kirsch
![knight-l-16-17.png](../images/knight-l-16-17.png)
Lester B. Knight
Founding Partner
RoundTable Healthcare Partners
![Koldyke M 01-12.jpg](../images/Koldyke M 01-12.jpg)
Martin J. Koldyke
![Kraemer H 01-12.jpg](../images/Kraemer H 01-12.jpg)
Harry M. Kraemer Jr.
Executive Partner
Madison Dearborn Partners LLC
![krauskopf-t-2021-22.png](../images/krauskopf-t-2021-22.png)
Timothy K. Krauskopf
![Kullberg D 01-12.jpg](../images/Kullberg D 01-12.jpg)
Duane R. Kullberg
Former Chief Executive Officer (1980-1989)
Arthur Andersen & Co., SC
![Levy.2015-08.jpg](../images/Levy.2015-08.jpg)
Lawrence F. Levy
Managing Partner
Levy Family Partners
![Lewis.2015-08.jpg](../images/Lewis.2015-08.jpg)
Ivy Beth Lewis
![LiddyE.14-09.jpg](../images/LiddyE.14-09.jpg)
Edward M. Liddy
Retired Chairman and Chief Executive Officer
The Allstate Corporation
![louis-j-22-23.png](../images/louis-j-22-23.png)
John Jeffry Louis
Chairman of the Board
Gannett Company
![Lurie R 01-12.jpg](../images/Lurie R 01-12.jpg)
Robert A. Lurie
Retired
![Madigan J 01-12.jpg](../images/Madigan J 01-12.jpg)
John W. Madigan
Retired Chairman and Chief Executive Officer
Tribune Company
![Martin R 01-12.jpg](../images/Martin R 01-12.jpg)
R. Eden Martin
Senior Counsel
Sidley Austin LLP
![Martinez A 01-12.jpg](../images/Martinez A 01-12.jpg)
Arthur C. Martinez
Retired Chairman and Chief Executive Officer
Sears, Roebuck and Co.
![mcnerney-j-2018-19.png](../images/mcnerney-j-2018-19.png)
W. James McNerney Jr.
Senior Advisor
Clayton, Dubilier and Rice
![Mitchell-L-17-18.jpg](../images/Mitchell-L-17-18.jpg)
Lee M. Mitchell
Managing Partner
Thoma Bravo
![Mullin L 01-12.jpg](../images/Mullin L 01-12.jpg)
Leo F. Mullin
Retired, Former Chief Executive Officer
Delta Airlines Inc.
![neustein-r-2021-22.png](../images/neustein-r-2021-22.png)
Robin Chemers Neustein
Neustein Family Office
![osborn-b-2019-20.png](../images/osborn-b-2019-20.png)
William A. Osborn
Retired Chairman and Chief Executive Officer
Northern Trust Corporation
![Pearce H 01-12.jpg](../images/Pearce H 01-12.jpg)
Harry J. Pearce
Retired Chairman of Board
MDU Resources Inc.
![pearlman-j-2021-22.png](../images/pearlman-j-2021-22.png)
Jerry K. Pearlman
Retired Chairman
Zenith Electronics Corporation
![Reinsdorf J 07-11.jpg](../images/Reinsdorf J 07-11.jpg)
Jerry M. Reinsdorf
Chairman
Chicago White Sox and Chicago Bulls
![ReyesM.14-09.jpg](../images/ReyesM.14-09.jpg)
M. Jude Reyes
Co-Chairman
Reyes Holdings, LLC
![Ryan P 01-12.jpg](../images/Ryan P 01-12.jpg)
Patrick G. Ryan
Chairman and Chief Executive Officer
Ryan Specialty
![Sagan P 01-12.jpg](../images/Sagan P 01-12.jpg)
Paul Sagan
![Sagan W 01-12.jpg](../images/Sagan W 01-12.jpg)
William E. Sagan
Chief Executive Officer
Norton LLC
![Saltzman R 01-12.jpg](../images/Saltzman R 01-12.jpg)
Robert P. Saltzman
Retired
![Searle D 01-12.jpg](../images/Searle D 01-12.jpg)
D. Gideon Searle
Retired
![senyei-d-22-23.png](../images/senyei-d-22-23.png)
Andrew E. Senyei
Venture Investor and Board Advisor
![Smithburg W 01-12.jpg](../images/Smithburg W 01-12.jpg)
William D. Smithburg
Retired Chief Executive Officer
Quaker Oats Company
![Sprieser J 01-12.jpg](../images/Sprieser J 01-12.jpg)
Judith A. Sprieser
Former Chief Executive Officer
Transora
![thomas-r-2018-191.png](../images/thomas-r-2018-191.png)
Richard L. Thomas
JPMorgan Chase Bank
![Uihlein J 01-12.jpg](../images/Uihlein J 01-12.jpg)
Julia A. Uihlein
Retired
Medical College of Wisconsin, Center for Bioethics and Medical Humanities
![waddell-r-19-20.png](../images/waddell-r-19-20.png)
Frederick H. Waddell
Retired Chairman and Chief Executive Officer
Northern Trust Corporation
![Walter J 17-18.jpg](../images/Walter J 17-18.jpg)
John R. Walter
Ashlin Management Company
![WeinbergD.14-09.jpg](../images/WeinbergD.14-09.jpg)
David B. Weinberg
Chairman and Chief Executive Officer
Judd Enterprises, Inc.
![white-m-22-23.png](../images/white-m-22-23.png)
Miles D. White
Retired Chairman and Chief Executive Officer
Abbott
![White W 01-12.jpg](../images/White W 01-12.jpg)
William J. White
Retired Chairman and Chief Executive Officer
Bell & Howell Company
![Wilson.2015-08](../images/Wilson.2015-08)
Stephen R. Wilson
Retired Chairman and Chief Executive Officer
CF Industries Holdings, Inc.
![Wolf S 01-12.jpg](../images/Wolf S 01-12.jpg)
Stephen M. Wolf
Chairman
Trilantic Capital Partners