Chris Robertson has been a psychotherapist and trainer since 1978. His training background includes Psychosynthesis, Child Psychotherapy, Family Therapy and Archetypal Psychology. He contributed the chapter ‘Dangerous Margins’ to the Ecopsychology anthology Vital Signs (Karnac, 2012); is co-author of Emotions and Needs (OUP, 2002); and author of several articles including ‘The Numinous Psyche’ in International Journal of Psychotherapy (Vol. 18, no2). He is a co-founder of Re-Vision, an integrative and transpersonal psychotherapy training centre, where he is involved in developing Ecopsychology.