Alexander McFarlane, MB BS (Hons) MD, is the Professor of Psychiatry, Head CMVH, University of Adelaide Node, The Centre for Military and Veterans’ Health, Australia; and Past President, ISTSS. He’s the author of more than 300 peer-reviewed scientific articles on PTSD, and Co-author of Traumatic Stress: The Effects of Overwhelming Experience in Mind, Body and Society. He’s also the principal investigator, Australian Department of Defense longitudinal study of combat exposure.