He was visiting scholar at Harvard University and a visiting professor at the University of Texas at Austin and at Cornell University. His research areas include the relationship between the state, society and security in non-Western settings with an emphasis on the Middle East. He is the author of The Lebanese Army: A National Institution in a Divided Society (SUNY Press, 2009) and Israel’s Security Networks: A Theoretical and Comparative Perspective (Cambridge University Press, 2013, with G. Sheffer). He edited several books including most recently Nonstate Actors in Intrastate Conflicts (University of Pennsylvania Press, 2014, with D. Miodownik)