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Joseph O'Mahoney

Associate Professor of International Relations, University of Reading

Joseph O’Mahoney is an Associate Professor of International Relations at the University of Reading. His research primarily investigates international norm dynamics concerning the legitimacy of war and the use of force. Broader research interests include recognition and nonrecognition, how argumentation works, the proliferation of nuclear weapons, and whether and how we can establish motives or reasons for action in international relations. He has authored articles in International Organization, European Journal of International Relations, Journal of Global Security Studies, and International Theory, as well as other outlets. He received a PhD in Political Science from George Washington University in 2012 and has previously been affiliated with MIT, Seton Hall University, and Brown University.


  • 2022–present
    Associate professor, University of Reading
  • 2018–2022
    Lecturer, University of Reading
  • 2016–2018
    Research Fellow, MIT
  • 2013–2017
    Assistant professor, Seton Hall University


  • 2012 
    George Washington University, PhD Political Science