Profile: Matthias zur Bonsen is co-founder of the consulting group all-in-one-spirit based in a small town very close to Frankfurt in Germany. all-in-one-spirit specializes in supporting organizations to make maximum use of their human resources, create workplaces which allow optimum performance and focus all energies on a common vision.

In Germany Matthias zur Bonsen and all-in-one-spirit have become well known for being pioneers in the field of large group interventions. From 1994 on he brought the methods of Open Space Technology, Future Search, Real Time Strategic Change, Appreciative Inquiry and World Café to Germany. He has extensive experience in applying these methods. In those years he wrote 3 books about his work.

From 2001 on Matthias and his colleagues from all-in-one-spirit learned from Birgitt Williams and hosted her workshops in Germany. Now he integrates his previous work and what he learned from Birgitt.

Matthias studied Business Administration in St. Gallen (Switzerland) and at the Business School of the University of Chicago. He worked for 8 years in three consulting firms until he became self-employed in 1992.

Matthias is married and father of three children.