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Circles-NL is the COSA national programme office. It is responsible for:

  • Training and education of circle coordinators
  • Monitoring the quality of the training material
  • Continued development of the method
  • Research
  • Monitoring of programme integrity

Contact information for the Circles-NL programme office


The COSA operational circles are coordinated by the Dutch Probation Service.

The 's-Hertogenbosch region of the Dutch Probation Service guides the first circle. Starting in 2010, projects will gradually be launched in other parts of the Netherlands. Each local project organisation:

  • Selects key members 
  • Recruits and selects volunteers 
  • Trains and guides volunteers
  • Provides the circles' regional organisation
  • Coordinates turnover within the circles

Contact information for the regional projects