Professor at the University of Białystok and the Tadeusz Manteuffel Institute of History of the Polish Academy of Sciences in Warsaw. He is Head of the International Security Department at the Institute of History and Political Sciences of the University of Białystok and a researcher at the Department of Eastern European History and Studies on the Empires of the 19th and 20th Centuries at the Institute of History of the Polish Academy of Sciences. He is also Managing Editor of “Studies in the History of Russia and Central and Eastern Europe” and a member of the Programme Boards of academic journals and research series. He is a member of the Polish Political Science Association and the Polish Association for International Studies. He obtained a PhD in Humanities in the field of History in 1999 from the Institute of History of the Polish Academy of Sciences in Warsaw, with a dissertation examining the assistance provided by Polish diplomatic and consular missions to Polish citizens in the Soviet Union in 1941–1943. In 2006, he received his habilitation in the Humanities on the basis of a study devoted to Soviet policy towards the Białystok and Łomża regions during the Second World War. He is the author of numerous books, academic articles and popular-science publications on the history of Russia and the Soviet Union, the Middle East, international security, terrorism and the contemporary Islamic world. He also wrote the introduction to the Polish edition of Patrick Cockburn’s “The Rise of the Islamic State” (PWN, Warsaw, 2015). He has conducted training sessions on security and terrorist threats for the command staff of the 18th Białystok Reconnaissance Regiment. In 2015, during the 3rd National Congress of Political Science in Kraków, he moderated a panel devoted to the theory and practice of contemporary information warfare.