Governments and International Organizations
United Nations Secretariat
The Government of Colombia, Ministry of Foreign Relations
National Aeronautics and Space Administration (U.S.A)
UNICEF
The World Health Organization
United States Department of Agriculture
Fundación Libra, Buenos Aires, Argentina
The World Trade Institute
International Center for Cooperation and Conflict Resolution,
Columbia University
The European Economic Community, General Electric

Multinational Corporations
American Express
AT&T
Citibank
Exon
IBM Europe
Schering International
Chubb Group of Insurance Companies
Credit Suisse
Design Professional Insurance Corporation
Liberty Mutual Insurance Company
Progressive Insurance Companies
Quaker Oats
Schering International, Latin American, Europe and United States
Sterling Winthrop Pharmaceuticals

Non-Profit Organizations
Flushing Hospital
New York State Nurses Association
The Port Authority of New York and New Jersey
New York State Nurses Association
The New York State Association of Community Dispute Resolution Centers, Inc.
Victim Services Agency, Project SMART

Educational Organizations
Wharton Business School, Wharton Leadership Program
New York City Board of Education
Teacher’s College, Columbia University
School of International and Public Affairs, Columbia University
Academy for Educational Development
Community School District 28, New York City
Community Research Initiative
Nassau BOCES
New York City Board of Education
Texas Leadership Center