Education

• B.A. in philosophy (Munich School of Philosophy)
• Diploma in catholic theology (Ludwig-Maximilians-Universität in Munich, Université Laval in Quebec and Westfälische Wilhelms-Universität in Münster)

Major fields of study

• Theology of religions of Perry Schmidt-Leukel
• Faith development theory of James Fowler
• Religious judgment development theory of Fritz Oser
• Integral theory of Ken Wilber