Vincent Deary is a practitioner health psychologist and professor of health psychology at Northumbria University, where his research focuses on the development of new psychosocial interventions for people with a variety of health issues, including cancer survivors and the elderly. A clinician in the UK's first transdiagnostic Fatigue Clinic, he works as part of a multidisciplinary team to help people for whom fatigue is a disabling symptom. He is the author of How We Are, the first book in the How to Live trilogy. He lives in Newcastle Upon Tyne in the North of England.