Naomi Moller trained as a counselling psychologist in the United States. She is a chartered psychologist, a BACP registered counsellor, and a Professor of Psychology and Psychotherapy at The Open University. Naomi has worked with clients for about 25 years, mostly with adults in longer-term therapy. She is an integrative practitioner with humanistic values and relating at the core but draws on other understandings (attachment, psychodynamic) and techniques (emotion-focused therapy).

Andreas Vossler is Director of the Foundation Degree in Counselling and Senior Lecturer in Psychology at the Open University. He is also a systemic trained couple and family psychotherapist. His current research activities focus on therapeutic work with couples and families, infidelity, Internet infidelity, and counselling and psychotherapy. Andreas is co-editor of the Counselling and Psychotherapy Research Handbook (2014) and Understanding Counselling and Psychotherapy (2010; both Sage). He has authored three textbooks and published 17 book chapters and 19 articles in peer-reviewed papers on topics related to counselling and psychotherapy (family therapy, infidelity, online counselling, health psychology, psychiatry) and research methods. Andreas is on the editorial board of Counselling Psychology Quarterly and Forum Community-Psychology.