​Polina Sinovets is an Associate Professor at the Faculty of International Relations, Political Science, and Sociology of Odesa I.I. Mechnikov University, Ukraine. She is also the Head of the Odesa Center for Nonproliferation, based at Mechnikov University. She previously worked as a senior research associate at Ukraine's National Institute for Strategic Studies. In 2006, she was a research fellow at the James Martin Center for Nonproliferation Studies, Washington DC, USA; a research fellow at the NATO Defence College in Rome, Italy, in 2015; and in 2017/18 a Fulbright Scholar at the James Martin Center for Nonproliferation Studies in Washington DC, USA. She is an expert on nuclear weapons policy and published various articles on the topic. William Alberque is the Director of the Strategy, Technology, and Arms Control Programme at the International Institute for Strategic Studies in Berlin, Germany, focusing on nuclear deterrence and non-proliferation,arms control, risk reduction, and other international security issues. He previously served as the Director of NATO’s Arms Control, Disarmament, and Non-Proliferation Centre, and worked for the US Government for more than two decades on nuclear security and safeguards, WMD non-proliferation, arms control, CSBMs, SALW, CBRN defense, pandemic response, and nuclear accident response.