Prof. Dr. Thomas Jäger teaches Political Science, especially International Relations and Foreign Policy, at the University of Cologne (Germany). Dr. Gerhard Kümmel is Senior Researcher at the Bundeswehr Institute of Social Sciences (SOWI) in Strausberg/Berlin (Germany), Vice-President of the Research Committee 01: Armed Forces & Conflict Resolution within the International Sociological Association, Associate Editor of "Armed Forces & Society" and teaches Military Sociology at the University of Potsdam (Germany).

Militärische Sicherheit in privater Hand? Analysen zu privaten Militär- und Sicherheitsfirmen