Mick Cooper is Professor of Counselling Psychology at the University of Roehampton, where he is Director of the Centre for Research in Social and Psychological Transformation (CREST). Mick is a chartered psychologist, a UKCP registered psychotherapist, and a Fellow of the BACP. Mick is author and editor of a range of texts on person-centred, existential and relational approaches to therapy; including Working at Relational Depth in Counselling and Psychotherapy (2005, SAGE, with Dave Mearns), Pluralistic Counselling and Psychotherapy 2011, SAGE, with John McLeod) and Existential Therapies (2nd edn, 2017, SAGE). Mick has led a series of research studies exploring the processes and outcomes of humanistic counsel­ling with young people. Mick is the father of four children and lives in Brighton on the south coast of England. Windy Dryden is one of the leading practitioners and trainers in the UK in the Cognitive Behaviour Therapy (CBT) tradition of psychotherapy. He is best known for his work in Rational-Emotive Cognitive Behaviour Therapy (RECBT), a leading CBT approach.  He has been working in the field of counselling and psychotherapy since 1975 and was one of the first people in Britain to be trained in CBT. He has published over 200 books and has trained therapists all over the world, in as diverse places as the UK, the USA, South Africa, Turkey and Israel. He is Emeritus Professor of Psychotherapeutic Studies at Goldsmiths, University of London.