is the only person who works with the acclaimed originator of Positioning and Differentiation Jack Trout since the turn of the Millennium. He rolled out the strategic concept of Positioning and Differentiation in Middle Europe. Today he is the most experienced expert on Positioning and Differentiation. Together with Jack Trout he wrote and localized several bestselling books on Positioning and Differentiation in German language. He co-authored Positioning
Wie Marken und Unternehmen in übersättigten Märkten überleben, 2012 (Positioning – The Battle for the Mind, 1981) and Differenzierung im Hyperwettbewerb – Der Schlüssel für das Überleben von Marken, 2009 (Differentiate or Die), which both are among the best 100 Business Books of all time.