Diya Kallivayalil, Ph.D., is a staff psychologist at the Victims of Violence Program at Cambridge Health Alliance and the trauma consultant for the Department of Psychiatry. She is an Assistant Professor in the Department of Psychiatry at Harvard Medical School. Her clinical specialty is in the treatment of trauma-related disorders. Her research is also broadly concerned with psychological trauma. She has published in the areas of complex trauma, gender-based violence, homicide bereavement and refugee health. She is the co-author of the <> (2011) published by Guilford Press.