AB Bernstein

Abbott Laboratories

Abbvie

Adams Street Partners

Advocate Aurora Health

Advocate Health Care Network

Allston Holdings, LLC

Almendra Americas, LLC

Alumni Ventures Group

Alzheimer's Association

Amalgamated Financial Corporation

American Board of Medical Specialties

American Planning Association

Amsted Industries

Ann & Robert H. Lurie Children's Hospital

Anna Rappaport Consulting

Arthur J. Gallagher & Co.

Avanath Capital

BAI

Bank of America

Beam Suntory

BMO Harris Bank

Boeing Company - Retired

Brownson, Rehmus & Foxworth, Inc.

Byline Bank

Cap Strategies Investment Group

Cars.com, Inc.

CastleArk Management LLC

Cboe Global Markets

Cerity Partners

Chapman and Cutler LLP

Chartwell Insurance Services

Chicago Symphony Orchestra

CIBC Bank US

Cleveland Avenue

Coeur Mining, Inc.

Connexion

Convergint Technologies

Cornerstone Advisors

Corterra Solutions

CTS Impact, Inc.

Cushman & Wakefield

D. Armstrong Advisory

Deloitte Tax LLP

Diversified Search

Duff & Phelps, LLC

DWS - Deutsche Asset Management

Ecotrust Canada

Edelman

Envestnet

Financial Health Network

First Bank Chicago

First Women's Bank

Fitch Ratings

Focus on Growth

Fresenius Kabi USA

GATX

Goldman Sachs

GoodSmith Gregg & Unruh LLP

Grant Thornton LLP

Hearken

Hershman Cohen

Hilco Coporate Finance

Horizon Therapeutics

Howard & Howard

Independent Mutual Fund Trustee

Integrated Project Management Company, Inc.

JPMorgan

Jump Trading

Kaizen Inc.

KI Industries, Inc.

Kirkland & Ellis, LLP

KPMG LLP

KraftHeinz

Latham and Watkins

LEARN Charter School Network

Legal & General Investment Management America

Levenfeld & Pearlstein, LLC

Levin Schreder & Carey Ltd.

Lincoln International

Lincoln Park Zoo

Littelfuse Inc.

Lockton

Longford Capital Management

Loop Capital Markets

Marquette Associates

Marsh

McDermott Will & Emery

MedTorque

Mesirow Financial

Michael Silver & Company CPAs

MLC Advisors LLC

Monroe Capital

Morningstar

Mosaic Fi

Mueller & Co. LLP

Neuberger Berman

NFP Insurance Solutions

Northern Trust Asset Management

Northwestern Medicine

OakBrook Investments, LLC

Obama Foundation

Onward Capital Partners LLC

Opportunity International Inc.

Options Clearning Corporation

OSI Group LLC

Ounce of Prevention Fund

Paris Presents, Inc.

Partners In Leadership

Pavilion, a Mercer Practice

Paylocity

Pelham S2K Managers LLC

Penserra

Peritius Consulting

Perspectives Charter Schools

Plante Moran

Pluscios Management LLC

PNC

PricewaterhouseCoopers LLP

R R Donnelley

R&M Consulting LLC

Ravinia Festival

Reologie LLC

Reva and David Logan Foundation

Robertson Lowstuter

Roosevelt University

Rotary International

RSM US LLP

Rush University Medical Center

Saint Mary's College of California

Sasser Family Holdings, Inc.

Sassetti LLC

Satter Medical Technology Partners

SC Johnson and Son, Inc.

Skadden, Arps, Slate, Meagher & Flom LLP

SLH Advisors

Smart to the Top

Snap-on

Sonia Shankman Orthogenic School & Hyde Park Day School

Spencer Stuart

Stacia Ryan

Stifel Bank & Trust

The Art Institute of Chicago

The Bellows Law Group, P.C.

The HQ Companies

The Jacobson Group

The Joffrey Ballet

The Lock Up

The Peakstone Group

The Rankin Group LLC

True Value Company

TTX Company

U.S. Bank

U.S. Soccer Federation

United Ground Express

University of Texas System Administration

Vedder Price P.C.

Ventry Harbor Associates

Walgreens

Wells Fargo

William Blair & Company

Willis Towers Watson

Winston & Strawn, LLP

Wintrust

Women's Business Development Center

YWCA Metropolitan Chicago