Dealing with Divas & Other Difficult Personalities: A Mindful Approach to Improving Relationships in Your Business or Organization! (Castle Mount Media, 2nd Edition, 2021)
Independent Minds, Expert Ideas: How to Thrive in a Changing World (Castle Mount Media, 2020)
Impulse: Präsentieren und Aktivieren (Jünger Verlag, 2016)
Die Besten Ideen für mehr Humor (GABAL Verlag, 2013)
