Bookings now open for the 2025-26 Certificate Training!
William Berisch Secretan
FRSA. MA. PGDip. EATCert.
HCPC, UKCP, IAGP, BPA, BADth Reg.
Managing Director & Co-Founder of the SEAT Ltd.
Course Convenor, EAT Certificate Training
William qualified as a person-centred wilderness therapist in 2005. Since then he has trained as a dramatherapist, psychodrama psychotherapist & environmental arts therapist, and has undergone further training in Jungian psychoanalysis. William works for North London NHS Foundation Trust as Psychology Lead & Lead for Group Psychotherapy within a service for adults with complex & enduring mental distress. He previously worked for West London NHS Trust leading a service for adults with complex psychosis. Prior to this, William worked for Devon Partnership NHS Trust for nearly ten years where he lead on the development of Ecopsychology & Ecotherapy services for the Trust and ran weekly environmental arts therapy groups. William was the founder of the NHS Ecopsychology Network and he also runs a private practice working with individuals and groups, both indoors and outdoors.
Who we are...
Anna Lichtensteiger
MA. EATCert.
HCPC & BAAT Reg.
Senior Trainer in Environmental Arts Therapy
Anna is an art psychotherapist and an environmental arts therapist with a specialist clinical interest in trauma and abuse as well as working alongside people with learning disabilities and autism. She currently works for a specialist children’s sexual abuse charity in Bristol, The Green House, where she has developed nature-based therapy services for young survivors, harnessing the intrinsic relationship between nature, creativity and well-being. Anna has been working with community groups using art making as language for almost 20 years and is the co-founder of an environmental arts therapy process group and arts collective for creative therapists. She also runs monthly nature-based groups for mothers. Anna has a special interest in environmental arts therapy as a group method and leads the EAT Certificate’s experiential process group.
Lydia Boon
MA. EATCert.
HCPC & BAAT Reg.
Trainer in Environmental Arts Therapy
Lydia (also known as Lily) is a highly experienced art psychotherapist and clinical supervisor working in Bristol. She has specialised within the fields of child & adolescent mental health and attachment & trauma recovery. Lydia is experienced working with both individuals and groups using art psychotherapy and environmental arts therapy to support children, young people and their families in school and other settings. Lydia is a CATT (Children’s Accelerated Trauma Treatment) practitioner children. Lily brings a deep understanding of how our relationship with nature acts as an integral part of being human, recognising how this can provide us with great potential for understanding and healing. Lily co-runs a monthly environmental arts therapy group as well as delivering online and in person environmental arts therapy training and workshops. She has presented at national conferences and is published in ‘Environmental Arts Therapy: The Wild Frontiers of the Heart’, and also within the new edition of ‘The Handbook of Art Therapy’.
Dr Caroline Frizell
PhD. MA. DipSup.
UKCP & ADMP UK Reg.
Visiting Trainer
Caroline is a UKCP registered Dance Movement Psychotherapist and supervisor, holding a diploma in supervision from the Society of Analytical Psychology (SAP). Caroline has been a research active lecturer at Goldsmiths, University of London, since 2007 and served as Programme Convenor for the MA Dance Movement Psychotherapy from 2010-2019. Caroline completed a PhD by publication, addressing the intersections of DMP, ecopsychotherapy and critical disability studies. Caroline has been instrumental in initiating local community projects, as well as developing and delivering training programmes in inclusive practice for parents, carers and professionals. Her career as dancer, teacher and therapist has spanned three decades. During that time, Caroline has worked extensively in special education and community settings, has offered individual DMP and supervision as well as lecturing in DMP and ecopsychology. In her work, Caroline addresses the relationship between mental well-being, the nature of community and the health of the planet. She brings together DMP and Ecopsychology, with particular reference to the physical presence of the body as it locates the individual within an interdependent, whole-earth community.