"Between three and twelve individuals who are recognized for their ability to support and lend guidance to the Society shall constitute the Trustees of the Society. Trustees are elected for six year terms by the members of the Society but need not be members thereof.
...
Trustees shall advise the President and the Executive Board in the implementation of Policy and have the right to veto decisions by the President and by the Executive Board...
 
Trustees may participate in meetings of the Executive Board and its committees, and in the Business Meetings of the Society.
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In the case of a serious conflict among the officers or members of the Society, the Trustees may convene a special panel as a fact finding or arbitration board if they are requested to do so by one Party to the conflict."

• Glen Bacon
  
• Jeanne Bamberger
  
• Mary Catherine Bateson
  
• A. L. (Pete) Becker
  
• Stafford Beer
  
• Søren Brier
  
• Herbert Brün
  
• C. West Churchman
  
• Roger C. Conant
  
• Heinz von Foerster
  
• Ernst von Glasersfeld
  
• Lynn Hoffman-Hennessy
  
• Daniel Howland
  
• Louis H. Kauffman
  
• Klaus Krippendorff
  
• Humberto Maturana
  
• Gordon Pask
  
• Howard Reingold
  
• John Rheinfrank
  
• Doreen Steg
  
• Fred Steier
  
• Stuart Umpleby
  
• Terry Winograd