Tom Vaughan is a Lecturer in International Security in the School of Politics and International Studies at the University of Leeds. He holds a PhD from Aberystwyth University and has previously held positions at the University of Exeter and Aberystwyth University. He researches the politics of global nuclear futures. He currently leads the Theories of Change and Nuclear Disarmament research network. His work has appeared in the European Journal of International Security, the Journal of Strategic Studies, and the Cambridge Review of International Affairs.