Michael Wessells, PhD, is Professor at Columbia University in the Program on Forced Migration and Health. A long time psychosocial and child protection practitioner, he is former Co-Chair of the IASC Task Force on Mental Health and Psychosocial Support in Emergency Settings. Recently, he was co-focal point on mental health and psychosocial support for the revision of the Sphere humanitarian standards. He has conducted extensive research on the holistic impacts of war and political violence on children, and he is author of Child Soldiers: From Violence to Protection (Harvard University Press, 2006). Currently, he is lead researcher on inter-agency, multi-country action research on strengthening community-based child protection mechanisms by enabling effective linkages with national child protection systems. He regularly advises UN agencies, governments, and donors on issues of child protection and psychosocial support, including in communities and schools. Throughout Africa and Asia he helps to develop community-based, culturally grounded programs that assist people affected by armed conflict and natural disasters.