Berni Curwen is a cognitive behavioural psychotherapist accredited by the British Association of Behavioural and Cognitive Psychotherapies (BABCP), and an Eye Movement Desensitisation Reprocessing (EMDR) Clinical Consultant accredited by EMDR Europe. She has a mental health nurse background and is registered with the Nursing and Midwifery Council (NMC). She has worked for the NHS and is currently employed by a private provider to NHS services. She has contributed to a number of publications including the following books published by Sage: Client Assessment (1997), Introduction to Counselling and Psychotherapy (2000), The Beginner's Guide to Counselling and Psychotherapy (2015), as well as Suicide - Strategies and Interventions for Reduction and Prevention (Routledge, 2008).

Professor Stephen Palmer PhD is an award winning psychologist and psychotherapist. He is Founder Director of the Centre for Stress Management, London. He is the UKs first Visiting Professor of Work Based Learning and Stress Management at Middlesex University. He has authored/edited over 50 books including The Beginners Guide to Counselling and Psychotherapy (Sage, 2015). He is Co-editor of the European Journal of Counselling Theory, Research and Practice. Currently he is Honorary President of the International Stress Management Association; President of the International Society for Coaching Psychology; Founder Co-Chair of the London Branch of the British Association for Behavioural & Cognitive Psychotherapies; a Founder Director and Vice President of the Society of Dialectical Behaviour Therapy and a Director and Deputy Chair of the Association for Rational Emotive Behaviour Therapy. His interests include jazz, art and coastal walking.

Peter Ruddell is a cognitive behavioural psychotherapist accredited by the British Association of Behavioural and Cognitive Psychotherapies (BABCP) and the Association for Rational Emotive Behaviour Therapy (AREBT). He has worked in both the voluntary and private sectors.

He has contributed to a number of publications including the following books published by Sage: Client Assessment (1997), Introduction to Counselling and Psychotherapy (2000), The Beginner's Guide to Counselling and Psychotherapy (2015), as well as Suicide - Strategies and Interventions for Reduction and Prevention (Routledge, 2008).

He is a member of the European and International Advisory Board of the European Journal of Counselling Theory, Research and Practice. Peter is clinical director of the Centre for Stress Management, London.