Kacper Rekawek, PhD is Head of Defence and Security Programme at the GLOBSEC Policy Institute, and directs From Criminals to Terrorists and Back?, GLOBSEC biggest research project (supported by PMI Impact) which is the most comprehensive study of the crime-terror nexus in Europe. Kacper was formerly at the Polish Institute of International Affairs, PISM where he worked as terrorism and counter-terrorism analyst. His time at PISM also included visiting fellowships at Royal United Services Institute, RUSI and Al-Ahram Centre for Political and Strategic Studies (ACPSS) in Cairo. Kacper has a PhD from Queen’s University Belfast and worked as an adjunct professor at the University of Social Sciences and Humanities (SWPS) in Warsaw, Poland. He is the author of the the first comparative analysis of the Irish Republican Army’s factions (Irish Republican Terrorism and Politics: Comparative study of the Official and Provisional IRA) which was published by Routledge in Political Violence series in 2011. He also authored the first of a kind study on foreign fighters present in Ukraine (Neither “NATO’s Foreign Legion” Nor the “Donbass International Brigades:” (Where Are All the) Foreign Fighters in Ukraine?). Kacper is a member of the European Expert Network on Terrorism Issues and Society for Terrorism Research. His popular book on terrorism, Czlowiek z Mala Bomba (A Man With a Small Bomb), was a bestseller in Poland in 2017.