- Kindergarten: Teheran, Iran; Erlangen, Germany – 1961-63
- Elementary School: Gravenbruch and Dietzenbach, Germany – 1964-1968
- High School: Heusenstamm, Homberg/Efze, and Erlangen, Germany – 1968-1970
- High School: German School in Jakarta, Indonesia – 1970-1973
- Graduation from Albert-Schweitzer- Gymnasium (High School), Germany: 1977
- Adult education and psychology – Dipl. Päd. (M.Ed.) – University of Bamberg, 1982
- Theology, philosophy, and church history – Lic.theol. and Dr. theol. (PhD in theology) – University of Bamberg, 1983
- History and international relations – M.A. – University of Toronto, 1985
- Computer science and business administration – Dipl. Inform. (M.SC.) – Distance University of Hagen, 1993
- Logotherapy and Existential Analysis – 4yr professional certification program (incl. 1 yr supervision) – Institute for Logotherapy and Existential Analysis, Tübingen/Vienna, 1996
- Nonviolent Communication (Compassionate Communication), NVC Academy; Sociocracy For All, October – December 2022
- Certified Co-op Professional, Co-operatives First, July – August 2024
- Compassion Cultivation Training, Compassion Institute, Stanford University, April – June 2025
- Cognitively Based Compassion Training, Charter For Compassion – Charter Education Institute, Emory University, September – December 2025
- Humanist Chaplaincy Candidate Training, Humanist Canada, 2025-26
- Training and Certification as Advanced Grief Counselling Specialist (PESI; Professional Education Systems Institute) – March 2026
- Training and Certification as Life Celebrant, Life Celebrants International – April 2026
and numerous personal and professional development workshops, certificates, and seminars focus on teaching, facilitation, consulting, coaching, self leadership, leadership, project management, sociocracy (dynamic governance), creative writing, museum studies, and co-operative development.