Our references



Peter and his team’s contribution to our organization is enormous; they are one of the creators and founders of our Team Leader Development Program. Besides that they have an essential role in the execution of the program.

Sandra Weeda-Schuiling Global HR Professional en Capability Advisor BP



Peter acts as a conscience, asks critical questions, takes you measure and makes you free. Emotions, thoughts and behaviour fall into place in such a way that Peter feels as if he has been part of your being all your life.

Peter Driessen, Founder of Spil Games and Leading Online Entrepeneur of the year 2012


Peter and the Seven Stones Team make an indelible impression on you. They take your own words and patterns and use them to teach you new tools, to allow you to develop yourself. They have a real impact!

René van de Kieft, Former CEO MN Services