IMAGE (Development and Implementation of a European Guideline and Training Standards for Diabetes Prevention) was a European Union funded project (2003–2008) in the field of public health which focussed on diabetes prevention. The IMAGE study group comprised a Europe-wide consortium of healthcare professionals and behavioural and health scientists. This group has published guidelines, a toolkit and quality indicators for diabetes prevention and more recently a comprehensive curriculum for the training of diabetes prevention managers, the development of which is described herein.