Corporate

A.T. Kearney
Alcon Laboratories
AstraZeneca Pharmaceuticals
Bahamas Telecommunications
  Corporation
BellSouth Corporation
Best Buy Corporation
British Telecommunications
CISCO Systems, Inc.
CondeNast International
Citibank
David Evans and Associates
Dow Chemical
Duke Corporate Education
Erste Bank Europe
Fannie Mae
Fidelity Strategic Investments
Fortune Magazine Boardroom
  Forum
Hildebrandt Company, LLC
Investcorp
Johns Hopkins University Hospital
  System
M&T Bank
Manulife Financial Corporation
McKesson Corporation
McKinsey and Company
Memorial Sloan Kettering
MetLife Investments
MFI Furniture Group plc
PricewaterhouseCoopers
Proskauer Rose LLC
Shell Oil
SpotCo  
Teva Pharmaceutical Industries
  Limited
The Armstrong Group
Think Federal Credit Union
  (formerly IBM Mid-America EFCU)
Verizon
Watson Wyatt Worldwide

Government and Public Sector

CA Commission on Peace Officer
  Standards and Training
City of Long Beach, CA
Fairfax County Sheriff’s Office
Federal Reserve Bank
Florida City and County Managers
  Association
Housing Authority City of
  Los Angeles
Ireland's Public Service
  Development Agency
Ireland’s Institute of Public
  Administration
Massachusetts House of
  Representatives Leadership
Metropolitan Water District of
  Southern California
Massachusetts Technology
  Collaborative
North Carolina Courts
Police Bureau and Association,
  Portland, OR
Public Children’s Services
  Association of Ohio
Public Libraries Association
Scottish Executive
Somerset County, NJ  
State of Washington Department
  of Social and Health Services
State of Washington Office of
  Financial Management
Town of Palm Beach, FL
United Fire Authority
US Department of Health and
  Human Services,
  Washington, DC

Organizations, Associations and Institutions

Advancing Women Professionals
American Association of Homes &
  Services
American Comenius Course
American Foundation for the Blind
American Hospital Association
Association of American Medical
  Colleges
Association of American
  Publishers
Association of Fish and Wildlife
  Agencies
Aspen Institute
Blandin Foundation
CARE International
Catholic Health Services of Long
  Island
Center for Corporate Innovation,
  Inc.
Center for Creative Leadership
Chamber of Commerce, Colombia,
  South America 
Colorado City and County
  Managers Association 
Connecticut Health Foundation
Council of Chief State School
  Officers
Grantmakers of Western
  Pennsylvania
Jennings Foundation
Joint Distribution Committee 
Kansas Health Foundation
Kinship Foundation
Knight Foundation
Leadership Houston
Museum of Television and Radio
National Association of Counties
  (NACO)
National Conservation Leadership
  Institute
National Interpreter Center
National League of Cities
Neighborhood Reinvestment
  Corporation
Panasonic Foundation
Parent to Parent
Rodel Foundation
Sharp Healthcare
Society for Social Work
  Leadership in Healthcare
Southern California Association of
  Philanthropy
Stonewall Organization  
Sustainable Agriculture and
  Food System Funders
Unitarian Universalist Church
United Jewish Communities
West Wind Educational Policy

Educational Institutions

Assabet Valley Collaborative
Barnstable, MA Public Schools
Bentley College
Boston Public Schools
Boston University
Canada School of Public Service
Carl Vinson Institute of
  Government, University of
  Georgia
College of Southern Maryland
Franklin University
Gordon Institute of Business
  Science, South Africa
Harrison, NY Central School
  District
Harvard University
India School of Business
Littleton, MA School Committee
Massachusetts Department of
  Education
Massachusetts Assoc. of
  School Superintendents
Montgomery County, MD
  Public Schools
New School of New York
New York University
Norfolk, VA Public Schools
Ohio Education Institution
Ohio Educational Association
Siddaganga Institute of
  Technology
South Ayrshire, Scotland
  Department of Education,
  Culture and Lifelong Learning
University of Iceland
University of Southern Maine
  School of Business
West Virginia University