Xavier D'Haultfoeuille obtained his PhD in economics in 2009. After having worked for INSEE, he joined CREST-ENSAE as a professor in economics. In 2019, he obtained the "Malinvaud Prize" for the best article in economics published by a young scholar working in France (for "Fuzzy Differences-in-Differences", with Clément de Chaisemartin). He is a managing editor of the Review of Economic Studies.