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Our Clients...

include international development agencies, government agencies, professional associations, private and non-profit organizations, hospitals, universities, colleges, corporations, and think-tanks.


  • The World Bank
(Independent Evaluation Group and other offices: Washington, DC; Zimbabwe, Colombia, Rwanda, Uganda, Phillipines, Malaysia)
  • United Nations
(Economic and Social Commission for Asia and the Pacific, Bangkok, Thailand)
  • United States Information Agency
  • Defense Research and Development Canada (DRDC)
  • Canada-U.S. Fulbright Commission (Ottawa, Canada)
  • Foundation for Advanced Studies in International Development (Tokyo)
  • Ministry of Public Administration and Information (Port of Spain, Trinidad and Tobago)
  • Nexo Bolivia (Santa Cruz)
  • Colonial Life Insurance Company (Trinidad and Tobago)
  • PARTICIP (Freiburg, Germany/Brussels, Belgium)
  • U.S. Centers for Disease Control and Prevention
  • U.S. Department of Veterans Affairs
  • U.S. Department of Energy
  • U.S. Department of Education
  • U.S. Bureau of the Census
  • America Speaks (World Trade Center Site Redevelopment)
  • Industrial Research Institute
  • Insight Policy Research
  • KRC Research
  • The Chesapeake Institute
  • The Economic Policy Institute
  • Pew Charitable Trusts
  • The Urban Institute
  • National Academy of Sciences
  • National Collegiate Athletics Association
  • Institute for Excellence/Equity in Education
  • Brown University Education Alliance
  • Academy for Educational Development
  • Rhode Island Board of Regents
  • George Washington University
  • George Mason University
  • University of Maryland
  • University of Rhode Island
  • Rhode Island School of Design
  • Bristol Community College
  • Northern Virginia Community College
  • Agency for Health Care Policy Research (AHCPR)
  • National Committee for Quality Assurance(NCQA)
  • Easter Seals Project ACTION
  • Family Voices
  • Minnesota Blue Cross/Blue Shield
  • Walter Reed Army Medical Center
  • Los Angeles Violence Prevention Coalition
  • Brown University Center for Alcohol and Addiction Studies
  • Rhode Island Department of Children, Youth, and Families
  • Baptist Health (Little Rock, Arkansas)
  • East Bay Mental Health (RI)
  • Chicago Children's Hospital
  • Boston University Medical Center
  • University of Maryland School of Medicine
  • Columbus Children's Hospital
  • University of Pennsylvania Dept. of Family and Community Health
  • Pine Belt Mental Healthcare Resources
  • Health Services Research Administration (HRSA)
  • United Way of Rhode Island
  • Rhode Island Blood Center
  • Rhode Island Supreme Court
  • Save the Bay Rhode Island
  • Rhode Island Public Transit Authority
  • Global Healthcare Exchange
  • Trendmasters
  • Northeast Utilities
  • IBM
  • Motorola
  • Vangent
  • Boston Redevelopment Authority
  • Development Services Group
  • and many others…

Training in Freiburg, Germany,

for PARTICIP...


16 Otis Shores
Woolwich, Maine 04579  USA

ph. (207) 841 - 4842
ph. (401) 465 - 6004
ph. (207) 443 - 3881

jmbillson@gdiworld.com