Margaret Blaustein is a practicing clinical psychologist whose career has focused on the understanding and treatment of complex childhood trauma and its sequelae. With an emphasis on the importance of understanding the child-, the family-, and the provider-in-context, her study has focused on identification and translation of key principles of intervention across treatment settings, building from the foundational theories of childhood development, attachment, and traumatic stress. With Kristine Kinniburgh, Dr. Blaustein is co-developer of the Attachment, Self-Regulation, and Competency (ARC) treatment framework (Kinniburgh & Blaustein, 2005), and co-author of the text, Treating Complex Trauma in Children and Adolescents: Fostering Resilience through Attachment, Self-Regulation, and Competence (Blaustein & Kinniburgh, 2010). She has provided extensive training and consultation to providers within the US and abroad. Dr. Blaustein is currently Director of the Center for Trauma Training in Needham, MA, and is past Division Director for Trauma Training and Education at The Trauma Center at JRI. She is actively involved in local, regional, and national collaborative groups dedicated to the empathic, respectful, and effective provision of services to this population.