Ian Palmer is currently visiting professor of military psychiatry at King’s College, Institute of Psychiatry, London. He spent 25 years in the British army, half as regimental medical officer mainly to infantry regiments (including 4 years as the SAS doctor). He was the first psychiatrist to British UN Forces in Bosnia 1993/4 and Rwanda 1994 and was also the first (only) tri-service professor of military psychiatry 1996-2003. For 4 years he worked as the head of the UK Medical Assessment Programme (MAP) providing mental health assessments for UK veterans (consultations without limit of time). During this time he saw 350 cases (which amounts to about 1000 hours of face to face consultations). He is an adviser to Veterans’ Aid, the pre-eminent charity for homeless veterans in UK and has also been a service user with post-traumatic mental illness.