Bessel van der Kolk, MD, is a clinical psychiatrist whose work integrates mind, brain, body, and social connection in the understanding and treatment of trauma. An internationally recognized leader in the field of psychological trauma, he is the author of more than 150 peer-reviewed scientific articles and several books, including Psychological Trauma, the first integrative text on the subject; Traumatic Stress: The Effects of Overwhelming Experience on Mind, Body, and Society; and The Body Keeps the Score: Mind, Brain, and Body in the Healing of Trauma.