My research interests are international security studies, nuclear weapons policies and the prevention of the spread of weapons of mass destruction, Cold War History. Regional expertise in Russia and Eurasia, Pakistan, Iraq, Germany, and North East Asia (especially Korea). I am involved in a Leeds University initiative on terrorism and also the Korean Research Hub (University of Leeds and Sheffield)
Prior to coming to the University of Bradford, I was Professor of International and European Studies at the University of Reading and subsequently Professor of International Studies at the University of Leeds.
While at King's College London, I worked with Sir Lawrence Freedman and Robert O'Neill on the four-nation Nuclear History Programme, before taking up a lectureship in International Relations at the University of Essex.