Professor Karatzias, is a Professor of Mental Health at Edinburgh Napier University, UK and a Clinical & Health Psychologist at the Rivers Centre for Traumatic Stress, Edinburgh, UK. He is the Director of Research at Edinburgh Napier University. He is a former Chair of the British Psychological Society Scotland Working Party for Adult Survivors of Sexual Abuse (BPSSS) and is a current member of the Committee of the British Psychological Society (BPS) Crisis, Disaster & Trauma Section and UK Psychological Trauma Society (UKPTS). He has spent his entire clinical and academic career working in the field of psychological trauma. In collaboration with national and international research partners he has developed a special interest in the effects and treatment of psychological trauma on physical and mental health; on prison populations; and on people with learning disabilities. He has published widely in these areas.