Dr. David Veale is a consultant psychiatrist in cognitive behaviour therapy at the South London and Maudsley Trust and the Priory Hospital North London. He is an Honorary Senior Lecturer at the Institute of psychiatry, King's College, London. He sat on the National Institute for Health and Clinical Excellence (NICE) working group that provided guidelines for treating obsessive compulsive disorder and is a trustee of OCD Action.
Rob Willson is a cognitive behaviour therapist in private practice. He is a tutor at Goldsmith's College, University of London, and studying for a PhD at the Institute of Psychiatry, King's College, London.