Editorial team

Editor-in-Chief

Marius S. Ostrowski is a Max Weber Fellow at the Robert Schuman Centre for Advanced Studies at the European University Institute in Florence. He holds a DPhil in Politics from the University of Oxford, and was an Examination Fellow in Politics at All Souls College, Oxford, from 2013 to 2020. His research is on early-20th-century socialism and social-democratic visions of European unity. He is the author of Left Unity (Rowman & Littlefield, 2020), Ideology​ (Polity, 2022), and the series editor of Eduard Bernstein Collected Works (Palgrave Macmillan, 2018-).

Deputy Editor

Pascale Siegrist is a research fellow at the German Historical Institute in London. She has a BA in History from Paris-IV Sorbonne, an MPhil from Cambridge University, and a PhD from the University of Konstanz. She held postdoctoral fellowships at the FU Berlin, the European University Institute in Florence and at Princeton University. Her research is on late-19th-century anarchism, especially Élisée Reclus and Peter Kropotkin, with further interests in geography and language.

Co-Editors

Udit Bhatia is Junior Research Fellow at Jesus College, University of Oxford and Early Career Fellow at the Bonavero Institute of Human Rights. His research interests lie at the intersections of normative democratic theory, political epistemology, and history of constitutional thought. He is currently working on the legal regulation of political parties.

Benedict Coleridge recently completed his DPhil in Political Theory at the University of Oxford. His research engages with Frankfurt School social theory, philosophical hermeneutics, positivist jurisprudence, aesthetics, the intellectual history of human rights and of nineteenth century imperialism, as well as the sociology of religion. His wider interests lie in international law (ideological premises, history and theory), constitutionalism, and deliberative democracy. He also holds an MPhil in Political Theory from Oxford, and has worked in the Balkans as a policy researcher on forced migration. 

Richard James Elliott is a Research Fellow in Law and Government at Georgetown University. His research focuses on the relationship between ideas and mass political movements from the seventeenth to the twentieth centuries. He writes on a range of topics including history, ideology, political theory, and the philosophy of language.

Lorna Finlayson is a lecturer in the School of Philosophy and Art History at the University of Essex. She is the author of The Political Is Political (Rowman & Littlefield, 2015) and An Introduction to Feminism (Cambridge University Press, 2016).

John-Erik Hansson is a Lecturer in British History at the Université de Paris. He earned his PhD at the European University Institute in 2018. His research deals with the cultural and intellectual history of radicalism in Britain, from the 18th century to today. He is particularly interested in the histories of socialism and anarchism.

Sakiko Kaiga is a historian of international relations in the twentieth century. She holds a PhD in International History from King's College London, and is now based at the University of Tokyo. Sakiko is the author of Britain and the Intellectual Origins of the League of Nations, 1914-1919 (Cambridge University Press, 2021).

Emily Katzenstein is a Junior Research Fellow in Politics at St. John’s College, Oxford. Her current research project traces the emergence and legacy of an actuarial conception of justice in insurance and credit markets in the late 19th and early 20th century, and its implications for conceptions of racial justice in the present. Her broader research interests include critical theory, the history of black political thought, theories and histories of racial capitalism, and normative theories of economic and racial justice. Emily holds a PhD in Political Science from the University of Chicago (2020), an MPhil in Political Theory from the University of Oxford (2014) and a BA in Politics and Eastern European Studies from University College London (2012).

Bruno Leipold is a Fellow in Political theory at the London School of Economics and Political Science. He works on the thought of Karl Marx, the republican political tradition and nineteenth-century political thought. Before coming to the LSE, he held positions at the European University Institute and the Goethe University Frankfurt, and he received his DPhil from the University of Oxford.

Sabrina Martin is a Lecturer and Fellow in Politics at Keble and Pembroke Colleges, Oxford University. Sabrina earned her PhD from Oxford in 2018, where her research focused on fair international trade. Most recently she has been looking at international trade in data and emerging technologies.