After receiving his Ph.D. in International Relations in 1978 from the Johns Hopkins School of Advanced International Studies, in Washington, D.C., David Haglund assumed teaching and research positions at the University of British Columbia. In 1983 he came to Queen's. From 1985 to 1995, and again from 1996 to 2002, he served as Director of the Queen’s Centre for International Relations (subsequently renamed the Queen’s Centre for International and Defence Policy). From 1992 to 1996 he served as Head of the Department of Political Studies, and as Acting Head for the 2015-16 academic year. He has held visiting professorships in France (at Sciences Po in Paris, at the French military academy – Saint Cyr-Coëtquidan, and at l’Université Paris III/Sorbonne nouvelle); in Germany (at the Universität Bonn, and the Friedrich-Schiller-Universität Jena); in Ireland (at the Clinton Institute for American Studies, University College Dublin); and in the US (at Syracuse University and Dartmouth College). From 2003 to 2012 he served as co-editor of the International Journal.