Darya Dolzikova is a Senior Research Fellow with RUSI’s Proliferation and Nuclear Policy programme. Her work covers issues of nuclear deterrence, nuclear proliferation, and nuclear safety and security. Darya’s current research focuses on the Iranian nuclear programme, the role of the UK’s nuclear deterrent in Euro-Atlantic security dynamics, and military and sub-threshold threats to nuclear facilities. She has also conducted work on Russian nuclear thinking and posture, Russia’s role in civil nuclear supply chains and the use of sanctions as a counter-proliferation tool. Prior to joining RUSI, Darya had served as the manager of government relations and policy development at Canada’s national aerospace industry association. She also has experience working in the due diligence sector and on defence-related issues in Canada’s Parliament. Darya holds an MA in Security Studies from Georgetown University and a BSocSc in International Studies and Modern Languages from the University of Ottawa.