In order to find a strategy professionals need to understand the three basic laws of polarisation and the limited number of six roles people play in the dynamic of us-them thinking. This keynote will describe in a very practical way all the pitfalls and the tactics to be avoided. And most important it will also provide the four ways to develop your depolarisation strategy. How to recruit the silent middle? And above all, how to show the kind of leadership that is needed when reasoning fails, facts seem to not count anymore and media being a factor of disturbance rather then enlightening us. In our organisations and companies we need the be skilled in this very new branch: (de)polarisation strategy. A thrilling story built in twenty years of experience.