Arthur Stein is a senior analyst at the Institute for Advanced National Defense Studies (IHEDN) in France. He holds a Ph.D. in political science from the University of Montreal; his doctoral research focused on determining whether and how the public disclosure of external support for rebels influences their use of violence against civilians during internal wars. More broadly, his research focuses on civil conflicts and violence against civilians. Prior to his doctoral studies, he earned a master’s degree in political science from the Institute of Political Studies in Strasbourg (France). He also served as an intern at the United Nations Office in Geneva (Switzerland) and worked for a humanitarian organization combating child malnutrition in Léogâne (Haiti).
Expertise
- Civil Wars
- Foreign Support to Armed Groups
- • Violence against Civilians
Selected Publications
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Stein, Arthur. Les partenaires non étatiques de l’Iran au Moyen-Orient : des proxys, vraiment ? Institut des hautes études de défense nationale (IHEDN), 2024. https://ihedn.fr/notre-
selection/les-partenaires-non- etatiques-de-liran-au-moyen- orient-des-proxys-vraiment/. -
Stein, Arthur. L’élimination ciblée des dirigeants de groupes armés : un coup fatal ? Institut des hautes études de défense nationale (IHEDN), 2025. https://ihedn.fr/notes-
danalyse/lelimination-ciblee- des-dirigeants-de-groupes- armes/. - Stein, Arthur. 2022a. « Committed Sponsors: External Support Overtness and Civilian Targeting in Civil Wars ». European Journal of International Relations 28 (2): 386‑416. https://doi.org/10.1177/13540661221084870.
- Stein, Arthur, et Marc-Olivier Cantin. 2021. « Crowding Out the Field: External Support to Insurgents and the Intensity of Inter-Rebel Fighting in Civil Wars ». International Interactions 47 (4): 662‑91. https://doi.org/10.1080/03050629.2021.1922899.
- Stein, Arthur, et Marie-Joëlle Zahar. 2022. « The United Nations and the African Union: Partners or Rivals in Peace Operations? » In Routledge Handbook of African Peacebuilding, édité par Bruno Charbonneau et Maxime Ricard. Routledge






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