Graduate of the Faculty of Journalism and Political Science at the University of Warsaw. He has been an OSW employee since 2001. Previously, he worked at the Ministry of Foreign Affairs of the Republic of Poland, where he dealt with issues such as the withdrawal of Russian troops from Poland, cooperation with Kaliningrad Oblast and bilateral relations with Ukraine, Belarus and Moldova. At present, he focuses on a broad range of topics linked to the internal security of Belarus, Ukraine and Russia, the role of the security institutions in these states’ domestic policy, and on the non-military aspects of the war in Ukraine. He is the co-author of regular analyses of the Russian invasion of Ukraine.