He has researched various written and computer-based self-help treatments for anxiety, depression, anorexia and bulimia and has twice been President of the British Association for Behavioural and Cognitive Psychotherapies – the lead body for CBT in the United Kingdom. He is Patron of the charity Triumph over Phobia and a Medical adviser to Anxiety UK. His research has focused on the evaluation CBT self-help interventions in low mood and anxiety, bulimia, anorexia, medically unexplained symptoms and with carers.
Dr Williams is also Director of Five Areas Ltd which has developed this site and a wide range of widely recommended wellbeing resources. He is an award winning author and his books and websites are widely used in the UK, Ireland, and North America.