Markus A. Landolt, Ph.D., is Head of Pediatric Psychology at the University Children’s Hospital Zurich and Professor of Child and Adolescent Health Psychology at the Department of Psychology, University of Zurich, Switzerland. His main areas of research are child and family psychotraumatology and pediatric psychology. He has published more than 130 papers, 17 book chapters and 2 books. He currently serves on the editorial board of the European Journal of Psychotraumatology and is a board member of the International Society for Traumatic Stress Studies. Besides his research activities, he works as a clinician with traumatized children, adolescents and their families since the 1990s. He was the recipient of the Falk-von-Reichbach Award from the German speaking Society of Traumatic Stress Studies in 2005 and was awarded Fellow of the American Psychological Association in 2010. Marylene Cloitre, Ph.D. is the Associate Director of Research of the National Center for PTSD Dissemination and Training Division at the Palo Alto VA Health Care Services. She is also Clinical Professor (affiliate) of Psychiatry and Behavioral Sciences at Stanford University. Her research and clinical work for the past 20 years has focused on the long-term effects of childhood and chronic trauma on social and emotional functioning. She is past-president of the International Society for Traumatic Stress Studies (ISTSS) and a member of the World Health Organization (WHO) ICD-11 working group on trauma-spectrum disorders. She is a recipient of several honors related to service in New York City following 9-11 and was an advisory committee member for the National September 11 Memorial Museum. She is lead author of the book Treating Survivors of Childhood Abuse: Psychotherapy for the Interrupted Life and co-author of Grief in Childhood: A Guide to Treatment in Clinical Practice. Ulrich Schnyder, M.D., psychiatrist and licensed psychotherapist. Professor of psychiatry and psychotherapy. Head, Department of Psychiatry and Psychotherapy, University Hospital Zurich, Switzerland. Research activities are currently focused on various aspects of traumatic stress research, including epidemiology, neurobiology, psychotherapy and pharmacotherapy for PTSD, and resilience to stress. Past President, European Society for Traumatic Stress Studies (ESTSS). Past President, International Federation for Psychotherapy (IFP). Past President, International Society for Traumatic Stress Studies (ISTSS). Recipient of the 2013 Wolter de Loos Award for Distinguished Contribution to Psychotraumatology in Europe (ESTSS), and the 2016 Lifetime Achievement Award (ISTSS).