Clinical Psychologist specializing in psychospiritual development.
Professor in Human Development at Columbia University, New York City, USA., Professor at Union Theological Seminary, New York City, USA.
Consultant to public mental health agencies and psychiatric hospitals, Clinical Supervisor to psychologists in training.
Past member of the following Boards of Directors: International Association of Near-Death Studies, Gheel Mental Health Center, Kundalini Research Network, Transitional Residential Independent Services (TRIS).
Founder of the International Institute for Consciousness Exploration and Psychotherapy e.V. Freiburg/Germany.