Olga Hidalgo-Weber is a historian who holds a PhD from the Faculty of Humanities at the University of Geneva and is a former UNESCO official. She currently lectures at the Global Studies Institute (University of Geneva, Switzerland). Her research and teaching focus on the social and political history of the United Kingdom in the nineteenth and twentieth centuries, the history of international organisations, European history, and questions relating to war and peace in the twentieth century. She is the author of 100 Years of Multilateralism in Geneva: From the LoN to the UN (Geneva, Éditions Suzanne Hurter, 2020) and La Grande-Bretagne et l’Organisation internationale du travail (1919-1946). Une nouvelle forme d’internationalisme (Louvain-la-Neuve, Academia - L’Harmattan, 2017).