Professor Gordon Turnbull is a consultant psychiatrist specialising in the assessment of patients suffering from the psychological after-effects of trauma. He is the leading Trauma and Post-Traumatic Stress Disorder (PTSD) expert at Capio Nightingale Hospital, Consultant Advisor in Psychiatry to the Civil Aviation Authority (CAA) and Visiting Professor to University College Chester. Professor Turnbull graduated from Edinburgh University and entered psychiatry at the Neuropsychiatric Centre, Royal Air Force Hospital Wroughton in Wiltshire in 1980 with post-graduate experience in General Medicine, expedition medicine and neurology. After being appointed Consultant in 1986, his focus turned to psychological trauma after the Lockerbie Air Disaster in 1988, and active service in the Gulf War of 1991 as RAF psychiatric adviser in the field doing first-ever debriefings of British prisoners-of-war and released British hostages from the Lebanon. He developed new treatment strategies for trauma in the RAF and post-RAF has concentrated on trauma services for police officers, emergency service personnel and military veterans