Rik Coolsaet is Professor Emeritus of International Relations at Ghent University and Senior Associate Fellow at Egmont–Royal Institute for International Relations (Brussels). He was appointed a member of the original European Commission Expert Group on Violent Radicalisation (established 2006) and the subsequent European Network of Experts on Radicalisation (ENER). He was chair of the Department of Political Science at Ghent University from 2006 to 2014. He served as Director of the ‘Security & Global Governance’ Program at Egmont–Royal Institute for International Relations (Brussels). In the 1980s and 1990s, he held several high-ranking official positions, such as deputy chief of the Cabinet of the Belgian Minister of Defence and deputy chief of the Cabinet of the Minister of Foreign Affairs. His areas of expertise are international relations, diplomacy and Belgian foreign policy, and terrorism and radicalisation. He recently published three successive studies, all released by Egmont: Assessing the fourth foreign fighters wave. What Drives Europeans to Syria, and to IS? Insights from the Belgian Case (March 2016); ‘All Radicalisation is Local’. The Genesis and Drawbacks of an Elusive Concept (June 2016); and Anticipating the Post-Daesh Landscap (October 2017).