Marion is a graduate of the École Normale Supérieure, Lyon, and holds an agrégation in Modern Literature. She completed her PhD in French Literature and Culture with Professor Alain Pagès at the Sorbonne Nouvelle University (Paris 3). From 2014-2017, she was a Research Associate at the Centre de Recherche sur les Poétiques du XIXe siècle in Paris. Since 2017, she has been affiliated with the ITEM/CNRS Zola Centre. Marion has taught French literature and culture at the Sorbonne Nouvelle University (2014-2018) and at the University of Reims Champagne-Ardenne (2018-2019).