Nick Ritchie is a senior lecturer in International Security at the Department of Politics, University of York, UK. His research and teaching focus on global nuclear politics, International Relations, and US and UK national security. He previously worked as a research fellow at the Department of Peace Studies, University of Bradford, and as a researcher on nuclear disarmament at the UK NGO Oxford Research Group. Latest articles are “Universalising the TPNW: Challenges and Opportunities”, Journal for Peace and Nuclear Disarmament with Ambassador Alexander Kmentt (2021) and “A hegemonic nuclear order: Understanding the Ban Treaty and the power politics of nuclear weapons” Contemporary Security Policy (2019).