Olivier LEWIS

Olivier has been a Research Fellow at the College of Europe, Natolin campus, since August 2019. The previous year he was a Senior Academic Assistant. During his doctoral studies at the University of St Andrews, Olivier was an Academic Tutor for two undergraduate courses: Introduction to International Relations and Foreign Policy Analysis and International Security. Olivier conducted internships in Brussels (with the United States Mission to NATO and Transparency International) and in Paris (with the Jacques Delors Institute and the Institute of International and Strategic Relations). For a while, he was also a scuba instructor.

In March 2018, Olivier defended his PhD thesis entitled "Explaining Military, Law Enforcement and Intelligence Cooperation between Western States". His external examiner was Professor Didier Bigo of Kings College London/Science Po Paris. From 2015 to 2016, Olivier was a Visiting Researcher at Georgetown University. In 2013-2014, the University of St Andrews awarded him a 600th Anniversary Ph.D. Scholarship in the Arts & Humanities. Prior to this, Olivier obtained an MSc in Social Research Methods from the University of Sussex, an MA in Interdisciplinary European Studies from the College of Europe (Darwin Promotion), an MLitt in International Political Theory from the University of St Andrews, and a BA in International Relations, French and Journalism from Lehigh University. In 2005, he spent a semester studying the politics of the Middle East at the American University in Cairo.

Olivier is a reviewer for the Journal of Intervention and Statebuilding. His professional memberships include an Associate Fellowship at Advance HE (formerly the Higher Education Academy) and memberships with several academic associations related to International Relations (e.g. ISA, EISA).

Olivier can supervise research, in English or French, on the following topics:

  • Security Studies, especially
    • Defence cooperation
    • Intelligence cooperation
    • Police Cooperation
  • Terrorism/Counterterrorism, and Insurgency/Counterinsurgency
  • Theories of International Relations and International Political Philosophy
  • Philosophy of the Social Sciences


Olivier is currently writing his first book, Security Cooperation between Western States, to be published with Routledge. He is also working on shorter publications related to counterterrorism, counterinsurgency, defence cooperation, and Brexit. He has published several book chapters:


Florez, Diana and Olivier Lewis. “FARC”. In Terrorist and Insurgent Group: A Global Survey of Tactics, Threats, and Characteristics, edited by Scott Nicholas Romaniuk, Stewart Webb, and Animesh Roul. Boca Raton: CRC Press, forthcoming.

Lewis, Olivier. “Conceptualizing Non-State Counterterrorism”. In Counter-Terrorism and Civil Society: International Challenges Since 9/11. Edited by Scott Nicholas Romaniuk and Emeka Thaddues Njoku. Manchester: Manchester University Press, 2020.

Florez, Diana and Olivier Lewis. “FARC”. In The Handbook of Homeland Security, edited by Scott N. Romaniuk, Clarence Augustus Martin, and Scott M. Catino. Boca Raton: CRC Press, 2020.

Lewis, Olivier. “Conceptualizing State Counterterrorism”. In The Palgrave Handbook of Global Counterterrorism Policy, edited by Scott N. Romaniuk, Francis Grice, Daniela Irrera, and Stewart Webb. London: Palgrave Macmillan, 2017.

Lewis, Olivier. “Conceptualizing Counterterrorism”. In Insurgency and Counterinsurgency in Modern War, edited by Scott Nicholas Romaniuk and Stewart Tristan Webb. London: CRC Press, 2016.

Get in touch

+48 730 113 374
+48 22 54 59 415
olivier.lewis [at] coleurope.eu