Biography
Dr Henning Tamm joined the School of International Relations in September 2016. Previously, he was a Postdoctoral Prize Research Fellow at Nuffield College, University of Oxford, and a Predoctoral Fellow with the Program on Order, Conflict, and Violence at Yale University?s MacMillan Center for International and Area Studies. He received his DPhil (PhD) from the University of Oxford.
Teaching
Convenor
- Armed Conflict in Postcolonial Africa (IR3070)
- Rebels, Terrorists, Militias: The Comparative Analysis of Armed Groups (IR4563)
- International Security (IR5001)
Contributor
- Foreign Policy Analysis and International Security: lectures on African Foreign Policies (IR1006)
- Issues in International Relations: lectures on Waging War (IR2006)
- Honours Dissertation: lecture on Case Studies and Comparative Case Study Methods (IR4099)
Research areas
One of Dr Tamm's main research interests concerns state support for rebel groups. His International Security article on the Congo Wars argues that rulers in post?Cold War Africa often form alliances with rebel groups abroad to alleviate threats to their political survival at home. Going beyond this article in terms of both time period and theoretical focus, his ongoing book project, Revolutionary Sponsors, investigates African revolutionary leaders and their support for rebel groups since independence. Together with Allard Duursma (ETH Zürich), he is working on several papers on mutual interventions, that is, rival states simultaneously intervening in each other?s intrastate conflicts by supporting rebel groups. The research he conducted in the Democratic Republic of Congo (DRC), Rwanda, and Uganda also resulted in an African Affairs article on status competition and the direct interstate clashes between Rwanda and Uganda in the DRC.
His other major research interest is rebel group fragmentation. Dr Tamm's International Studies Quarterly article develops a theory that explains how state sponsors foster either cohesion, fragmentation, or internal coups. It illustrates the theory with case studies of Sudanese and Lebanese insurgent groups. His forthcoming Journal of Strategic Studies article elaborates on this theory and dissects how external troop support affected rebel fragmentation in the Second Congo War. While these articles primarily ask why some groups split whereas others remain cohesive, his project on ?Varieties of Insurgent Fragmentation? examines how groups split. The project received funding from the Carnegie Trust.
PhD supervision
- Muhyadin Abdillahi Saed
- Akira Jingushi
- Thomas Hinkel
Selected publications
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The invader?s dilemma: enlisting rebel groups
Tamm, H., 2020, The governor?s dilemma: indirect governance beyond principals and agents. Abbott, K. W., Genschel, P., Snidal, D. & Zangl, B. (eds.). Oxford: Oxford University Press, p. 119?136Research output: Chapter in Book/Report/Conference proceeding ? Chapter
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In the balance: external troop support and rebel fragmentation in the Second Congo War
Tamm, H., 16 Dec 2019, In : Journal of Strategic Studies. Latest Articles, 28 p.Research output: Contribution to journal ? Article
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Status competition in Africa: explaining the Rwandan-Ugandan clashes in the Democratic Republic of Congo
Tamm, H., Jul 2019, In : African Affairs. 118, 472, p. 509?530Research output: Contribution to journal ? Article
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Rational choice: from principal?agent to orchestration theory
Snidal, D. & Tamm, H., 2018, International Organization and Global Governance. Weiss, T. G. & Wilkinson, R. (eds.). 2nd ed. London: Routledge, p. 135-145Research output: Chapter in Book/Report/Conference proceeding ? Chapter
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Rebel leaders, internal rivals, and external resources: how state sponsors affect insurgent cohesion
Tamm, H., 1 Dec 2016, In : International Studies Quarterly. 60, 4, p. 599-610 12 p.Research output: Contribution to journal ? Article
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The origins of transnational alliances: rulers, rebels, and political survival in the Congo Wars
Tamm, H., 9 Aug 2016, In : International Security. 41, 1, p. 147-181 35 p.Research output: Contribution to journal ? Article
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Rational choice and principal-agent theory
Tamm, H. & Snidal, D., 2014, International Organization and Global Governance. Weiss, T. G. & Wilkinson, R. (eds.). 1st ed. London: Routledge, p. 132-143Research output: Chapter in Book/Report/Conference proceeding ? Chapter
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FNI and FRPI: local resistance and regional alliances in north-eastern Congo
Tamm, H., 2013, London: Rift Valley Institute. 57 p. (Usalama project: understanding Congolese armed groups)Research output: Book/Report ? Commissioned report
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UPC in Ituri: the external militarization of local politics in north-eastern Congo
Tamm, H., 2013, London: Rift Valley Institute. 60 p. (Usalama project: understanding Congolese armed groups)Research output: Book/Report ? Commissioned report