Tatiana Pignon is a PhD candidate in Politics and International Studies at the University of Cambridge. Her dissertation explores the international politics of cities and the reconfigurations of political agency and legitimacy in the global age, in light of the problem of building a liveable world for all. Her research interests include global political theory, the history of revolutions (particularly the French Revolution and the Paris Commune), feminist theory and urban studies. Before her PhD, she worked in government for several years as a political adviser and speechwriter, and she continues to serve as a consultant. At Cambridge, she was also Editor-in-Chief of the Cambridge Review of International Affairs.