Dr Katharina Rietzler

Visiting Senior Fellow

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About

Katharina Rietzler is Associate Professor in American History at the University of Sussex and, in autumn 2025, a Visiting Senior Fellow at LSE. Rietzler has held fellowships at the universities of Oxford, Cambridge and Oslo, and her research has been funded by, among others, the British Academy, the Leverhulme Trust and the Society for Historians of American Foreign Relations.

Rietzler has co-edited, with Patricia Owens, Women's International Thought: A New History (Cambridge University Press, 2021) which won the Joseph Fletcher Prize as well as Best Edited Volume from the Theory Section of the International Studies Association (ISA). With Owens, Kimberly Hutchings and Sarah C. Dunstan, she has also edited Women's International Thought: Towards a New Canon (Cambridge University Press, 2022) which won the British International Studies Association 2023 Susan Strange Prize for the Best Book in International Studies and the ISA Theory Section Prize for Best Edited Volume. Rietzler’s article 'U.S. Foreign Policy Think Tanks and Women’s Intellectual Labor, 1920–1950' won the 2023 Arthur Miller Institute Article Prize.

Rietzler’s other publications have examined the history of foundation philanthropy and US foreign policy, philanthropic support for IR as a discipline, the history of foreign affairs think tanks, the global history of international law, and the history of publics and counter-publics. Rietzler is a Fellow of the Royal Historical Society.

Research Cluster affiliation

Theory/Area/History research cluster

Not available to supervise PhD students

Expertise

A trained historian, Rietzler specialises in twentieth-century international thought, with a focus on public opinion, transatlantic relations, and women as international thinkers.