Jaco is an extraordinary senior lecturer at the Department of Psychiatry, Faculty of medicine and Health Sciences at Stellenbosch University. His research interest lies in the field of PTSD and cognitive-behavioural treatment of PTSD amongst youth and adults. Jaco is now in his 29^th year of private practice with a focus on the CBT treatment of emotional disorders as well as OCD and PTSD. He is an Associate Fellow of the Albert Ellis Institute and a registered Supervisor in Rational-Emotive & Cognitive-Behaviour Therapy (RECBT). Jaco is also a member of the editorial board of the Journal of Rational-Emotive & Cognitive-Behaviour Therapy. He provides training in RECBT in association with the Albert Ellis Institute, provides training in exposure therapy for emotional disorders and various disorder specific CBT training workshops. He also contributes to training programs for Masters psychology students and provides training to psychiatry registrars in CBT.

Charles is a Professor of Psychology at Murdoch University in Perth, Australia. Before that, he was Professor and Head of the Department of Psychology at Rhodes University in Grahamstown, South Africa. His interest in cognitive therapy started at Addenbrooke’s Hospital in Cambridge, United Kingdom, more than twenty years ago. There, he was involved in the development of low-intensity, brief cognitive therapies for common mental disorders, which was an early part of the pioneering developments to increase access to psychological therapies in the National Health Service. He won the Beck Institute Scholarship competition for faculty and students in 2012, which influenced his active learning approach to teaching cognitive therapy. He has taught a course in cognitive therapy to counselling and clinical psychology students for 15 years at Rhodes University and now teaches cognitive therapy to professional and clinical psychology students at Murdoch University. He was a member and then vice chair of the Board for Psychology of the Health Professions Council of South Africa (HPCSA) and was involved in setting the training standards for professional psychology in South Africa.