Nicholas Rengger was professor of political theory and international relations at St Andrews University. Previously he held visiting positions at the London School of Economics, University of Southern California, The Centre for Theology and Philosophy at the University of Nottingham, and the European University Institute.

He served (1997–2001) on the governing council of the Royal Insitute for International Affairs, Chatham House. He was also the chair of the international ethics section of the International Studies Association and served on its governing council 2000–2001. He was editor of the Review of International Studies from 2006–2010 and served on the executive of the British International Studies Association from 2003–2010.

Renger's main areas of scholarly interest were political philosophy, intellectual history, international political theory, international relations, and philosophical and political theology. He has served on many different editorial boards in a number of his chosen fields including International Affairs, Millennium, Civil Wars, International Relations, and Radical Orthodoxy.

He also completed a study of the intellectual character and trajectory of the modern just war tradition, entitled, State of War: The Just War, The modern State and the Uncivil Condition in World Politics.

Last Updated: November 1, 2018