Dr Gavin Breslin is a Senior Lecturer in the School of Psychology, Ulster University, Northern Ireland. He is a Chartered Sport and Exercise Psychologist, and Registered Practitioner of the Health Care Professions Council (HCPC). Gavin has published extensively in the area of mental health and well-being. He has published two books. He led on systematic reviews, cross sectional, prospective, and case studies on mental health, and has designed RCT interventions using psychological behaviour change theory to enhance health and well-being for children and adults in schools, sports clubs, prisons, secure hospitals and workplace settings. His key areas of expertise include: health behaviour change, intervention design to improve health and wellbeing.