David Gillanders is a Chartered Clinical Psychologist, member of the British Psychological Society, Health & Care Professions Council, Association of Clinical Psychologists (UK), British Association of Behavioural & Cognitive Psychotherapy and a founder member of the Association for Contextual Behavioural Science. He is Head of Clinical & Health Psychology at the University of Edinburgh. He leads a programme of research into the application of contextual behavioural science to living well with ill health, as well as research into training, supervision and basic measurement in behavioural science. He has published more than 55 peer reviewed articles and several book chapters, and is co-author of the self-help book, “Better Living with IBS”. He is a peer reviewed ACT trainer with ACBS. The peer review is the international association’s mark of high quality, high fidelity ACT training.