Sven Chojnacki is Professor for Comparative Politics and Peace and Conflict Research at the Freie Universität Berlin. He received his PhD from the Freie Universität Berlin in 1999. From 1999-2005, he conducted his research at the Social Science Research Center Berlin (WZB). His previous teaching experience includes the University of Hannover, the University of Leipzig and the University of Kiel.

He is coordinator of the project “Variances and Consequences of the Control of Violence by Nonstate Actors" at the Research Center 700 "Governance of Areas of Limited Statehood", funded by the German Research Foundation (DFG).

He is currently researching on various aspects of war and peace, including the dynamics and causal mechanisms of violent conflicts as well as the privatization of security in areas of limited statehood.

Recent articles include "Material Determinism and Beyond: Spatial Categories in the Study of Violent Conflict.", SFB-Governance Working Paper Series, No. 55, Collaborative Research Center (SFB) 700 (together with Bettina Engels); "Perspectives on War. Generation Eventdata. Was zeigen Ereignisdaten, worin unterscheiden sie sich und was können wir lernen?", in: Sicherheit und Frieden 30: 1, 36-43 (with Gregor Reisch); "The Logic of Security Markets: Security Governance in Failed States", in: Security Dialogue 42: 6, 553-569 (with Željko Branović); “New Modes of Security. The Violent Making and Unmaking of Governance in War-torn Areas of Limited Statehood, in: Risse, Thomas/Lehmkuhl, Ursula (Hrsg.): Governance without a State? Policies and Politics in Areas of Limited Statehood (with Željko Branović)”, “Perspectives on War. Collecting, Comparing and Disaggregating Data on Violent Conflicts, in: Security and Peace 26:4, 233-245 (with Gregor Reisch)”, and “Mercenaries in Civil Wars, 1950-2000, Discussion Paper SP II 2009 – 05, Wissenschaftszentrum, Berlin (with Nils Metternich und Johannes Münster)”.