As a management consultant, Otmar Donnenberg is familiar with organizational development in the health and industrial sectors, through projects in the Netherlands (where he lived for 35 years), in Germany and in Austria. In his coaching for change – both personal and organizational coaching – he concentrates on learning strategies for change. He is an expert and trainer for Sociocracy and Action Learning. Otmar Donnenberg is engaged in the Transition Movement and the Economy for the Common Good Movement and has been involved with complementary currencies for many years. He founded the regional currency „Dreyecker“ in his chosen home of Weil am Rhein.


  • Contribution to the book Lernen für Bürgergeld und Regionalentwicklung, in: Anders: Komplementärwährungen, Berlin 2010
  • Interview …Organisationen zu gestalten, in: Anfangen, es anders zu machen, Berlin 2010

Otmar Donnenberg may be reached here: otmar(at)

More information about Otmar Donnenberg on his Website.