Gill is a fully accredited and registered Art Therapist and clinical supervisor of play and art therapists. Gill joined Tobias in 1990 and since 1993 she has been the director of the Transpersonal Arts in Therapy training and has been intensely involved in course accreditation and development.  Gill is a graduate of Tobias and of the Emerald Foundation, Holland. She works as an art therapist in primary schools, leads workshops in Europe and USA and has worked as an art therapist in Waldorf schools, with adults and in medical and private practice.