The greatest achievement of the human spirit is to live up to one’s opportunities and make the most of one’s resources.

Luc de Clapiers (1715–1747)
French writer

Proud to present the self-developed resources of They are based on more than 25 years of experience in workshops, trainings, and conferences. Thus, we are sure that they will help you succeed in your endeavours.


written by Olaf Kellerhoff, TWL founder, and published in Germany at It’s ok publishing house.


Timely elaborated to current needs and routinely presented with appropriate training materials


developed always along with the feedback of previous and current participants. Thus, they really reflect the needs and serve interests perfectly well.