Universiteit Leiden

nl en

Course Extremism, Disinformation and Hostile States

Lecturers

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs, alongside leading practitioners. Their expertise spans international relations, security policy and counterterrorism, bridging academic insight with real-world experience.

Lecturers

  • Bart Schuurman Prof. dr. Bart Schuurman

    Bart Schuurman is Professor of Terrorism and Political Violence at Leiden University. His recent work maps Russian hybrid attacks in Europe since the full-scale invasion of Ukraine. It explores how operations are structured and what role so-called ‘disposable agents’ play in carrying them out.

  • Sarah de Lange Prof. dr. Sarah de Lange

    Sarah de Lange is Professor of Dutch Politics at Leiden University. Her work centres on political polarisation, populism, and radical movements, examining how extremist ideas and disinformation affect democratic institutions and political behaviour.

  • Edwin Bakker Hoogleraar

    Edwin Bakker is Professor of Terorrism Studies at Leiden University. His newest research focuses on how close protection and surveillance services operate across Europe. Through comparative case studies, his work identifies strategies to improve decision-making and enhance communication with protectees.

  • Prof. dr. Beatrice de Graaf Historian and a security, crisis & terrorism researcher Utrecht University

    Beatrice de Graaf is Professor of History of International Relations and Global Governance. Her research focuses on security, terrorism, and crisis management, analysing how states respond to threats while upholding democracy, freedom, and the rule of law.

  • Dr. Isabelle van der Vegt universitair docent Utrecht University

    Isabelle van der Vegt is Assistant Professor of Sociology. Her research focuses on online hate, extremism, and threats to public figures, using computational linguistic methods to analyse large-scale text data.

  • Prof. Paul Gill Professor University College London

    Prof. Paul Gill introduces participants to practical frameworks for assessing and prioritizing risk when faced with a rapidly shifting threat landscape. By the end of the session, they will better understand how to make informed, defensible decisions in cases involving extremism, radicalisation, and targeted violence.

  • Graham Macklin Senior researcher University of Oslo

    Graham Macklin is Senior Researcher at the Centre for Research on Extremism (C-REX). His research focuses on extreme-right and fascist movements, political violence, and terrorism in Europe and North America, with particular attention to accelerationist and nihilistic forms of violence.

  • Jacob Aasland Ravndal Professor Norwegian Police University College

    Jacob Aasland Ravndal is Professor at the Norwegian Police University College and affiliated researcher at the Centre for Research on Extremism (C-REX) at the Oslo University in Norway. His research focuses on terrorism, political violence, and extremism in liberal democracies, with particular expertise in right-wing terrorism and comparative event data.