Regents Professor, Institute of Child Development, University of Minnesota Twin Cities

War Studies, Kriegsakademie

Independent Scholar

Ramalee E. Pearson Professor, Harris School of Public Policy, University of Chicago

Professor of Epidemiology

University of Otago

Research Professor, Institut Barcelona d'Estudis Internacionals; Emeritus Professor, Sussex

Professor of Peace and Conflict Studies, University of North Carolina at Greensboro

Naval Postgraduate School

Canada Research Chair in Global Migration, University of Toronto