Daniel Druckman is Professor of Public and International Affairs at George Mason University, USA and has been a distinguished scholar at several universities in Australia. He has published widely on topics ranging from international negotiation to electronic mediation and nonverbal communication, including the award-winning "Doing Research: Methods of Inquiry for Conflict Analysis" (SAGE, 2005).

Paul F. Diehl is Henning Larsen Professor of Political Science at the University of Illinois, USA. Some of his recent books include International Mediation (Polity Press, 2102), The Dynamics of International Law (Cambridge University Press, 2010), and Peace Operations (Polity, 2008).