Dr Petr Topychkanov is an Associate Senior Researcher in the Stockholm International Peace Research Institute (SIPRI) Nuclear Disarmament, Arms Control and Non-proliferation Programme. Petr works on issues related to the nuclear nonproliferation, disarmament, arms control, and impact of new technologies on the strategic stability. From 2006 to 2017, Petr was a fellow at the Carnegie Moscow Center’s Nonproliferation Program. Prior to joining SIPRI in 2018, Petr held the position of Senior Researcher at the Center for International Security at the Primakov National Research Institute of World Economy and International Relations of the Russian Academy of Sciences. He has been an expert at the Russian International Affairs Council since 2014. He earned his doctorate in history from the Institute of Asian and African Studies at Moscow State University in 2009. In 2007–2008, he was awarded the Presidential Scholarship, and in 2010–2011, he was a Stanton Nuclear Security Fellow.