Kristian Skrede Gleditsch is Regius Professor of Political Science in the Department of Government at the University of Essex, director of the Michael Nicholson Centre for Conflict and Cooperation, and a research associate at the International Peace Research Institute, Oslo (PRIO). His research interests include conflict and cooperation, democratization, and spatial dimensions of social and political processes. His is the author of All International Politics is Local: The Diffusion of Conflict, Integration, and Democratization (University of Michigan Press, 2002), Spatial Regression Models (Sage, 2008, with Michael D. Ward), Inequality, Grievances, and Civil War (Cambridge University Press, 2013, with Lars-Erik Cederman and Halvard Buhaug), as well as over 100 journal articles