Sandra L. Bloom, M.D. is a Board-Certified psychiatrist, Associate Professor of Health Management and Policy and Co-Director of the Center for Nonviolence and Social Justice at the School of Public Health of Drexel University in Philadelphia. Along with ANDRUS, Dr. Bloom is the co-founder of the Sanctuary Institute. Dr. Bloom is a Past-President of the International Society for Traumatic Stress Studies and author of Creating Sanctuary: Toward the Evolution of Sane Societies and co-author of Bearing Witness: Violence and Collective Responsibility. A book about the crisis in social service delivery and titled Destroying Sanctuary: The Crisis in Human Service Delivery was published in 2010 by Oxford University Press and another volume of this trilogy about trauma-informed service, Restoring Sanctuary: A New Operating System for Trauma-Informed Systems of Care was published in early 2013 by Oxford University Press.