Northwest Airlines
Northwestern Memorial Hospital
Northwestern Mutual Life Insurance
Oscar Mayer
Pactiv
Peoples Energy
Pepsico
Pfizer
Pillsbury
Pizza Hut
Playboy Enterprises
Procter & Gamble (P&G)
PWC (Price Waterhouse Coopers)
Quaker
QVC
Ragan Communications
Red Bull
Rockwell International
Saks
Sanyo Fisher
Saudi Arabian Airlines
Shell Oil
Singapore Service Quality Centre
Sony
Sprint
Square D
St. Jude Children’s Research Hospital
Starbucks Coffee
Staples
Steelcase
Strategy Institute
Subaru-Isuzu Automotive
Sun Microsystems
TAP Pharmaceuticals
TEC (The Executive Committee)
Taco Bell
Target
Texaco
Texas Instruments
Time Insurance
TMA (The Marketing Arm)
Toshiba
Toyota
Tricon
TRW
U.S. Air Force
U.S. Army
U.S. Federal Reserve
U.S. Navy
U.S. Postal Service
Unilever
Unisys
United Airlines
United Nations Development Organization
United Way
University of Chicago Hospitals
Unocal
Upjohn Pharmaceuticals
USG
Valvoline
Viacom
Volvo
Walt Disney
Westinghouse
WGN Radio
Whole Foods
Wrigley
Yahoo

Associations & Conferences
American Bar Association (ABA)
American Library Association (ALA)
American Management Association (AMA)
American Society for Training & Development (ASTD)
Association for Investment Management and Research (AIMR)
Association Forum
Chemical Specialty Products Association (CSPA)
Colorado Association of Commerce and Industry
Council for Advancement and Support of Education (CASE)
Creative Problem Solving Institute (CPSI)
Employee Engagement Conference
Furniture Design Association
Independent Writers of Illinois (IWOC)
Innovation Convergence
International Association of Businesses Communicators (IABC)
International Coach Federation (ICF)
International Foodservice Manufacturers Association (IFMA)
International Society for Performance Instruction (ISPI)
Meeting Professionals International (MPI)
National Business Association
National Restaurant Association
National Retail Federation (NRF)
National Sporting Goods Association
Neocon World’s Trade Fair
Product Development Management Association (PDMA)
Professional Audio Retail Association (PARA)
Professional Convention Management Association (PCMA)
Society for American Inventors
Texas Association of School Boards

Academia, Universities, Colleges
Brigham Young University
Capital One University
Columbia College
DePaul
Kent State University
Loyola
Motorola University
New York Institute of Technology
New York University
Northwestern University – Engineering School
Northwestern University – Kellogg MBA
San Francisco State University
Swinburne University (Melbourne, Australia)
Syracuse University
University of California
University of Chicago
University of Illinois – Champaign
University of Illinois – Chicago
University of Michigan
University of Minnesota
University of North Dakota
University of Wisconsin
Wayne State University