David Veale is a Consultant Psychiatrist in Cognitive Behavioural Therapy at SLaM and the Nightingale Hospital, London and a Visiting Professor in CBT at the Institute of Psychiatry, Psychology and Neuroscience at Kings College London. He is recognised as an international expert on emetophobia and is the author of several books on the topic of health anxiety, OCD, BDD and depression.

Alexandra Keyes is a Clinical Psychologist and Cognitive Behavioural Psychotherapist at South London and Maudsley NHS Foundation Trust (SLaM). She currently works at a national residential unit for severe and enduring anxiety disorders, including emetophobia. She has conducted research into Cognitive Behavioural Therapy for emetophobia, and published articles on emetophobia and its treatment.