Philippe Fontaine is a Research Associate at CPNSS, Professor of Economics in the Department of social and human sciences at the École normale supérieure Paris-Saclay and an Honorary Senior Fellow of the Institut universitaire de France. Philippe received his PhD from the University Panthéon-Sorbonne and was a post-doc and visiting scholar at Harvard University. In the early 2000s he was a Ludwig M. Lachmann Research Fellow at CPNSS.
Philippe's research interests cover the history of the social sciences since the Second Word War. He is the co-editor of Society on the Edge: Social Science and Public Policy in the Postwar United States (Cambridge University Press, 2021), A Historiography of the Modern Social Sciences (Cambridge University Press, 2014), The Unsocial Social Science? Economics and Neighboring Disciplines Since 1945 (Duke University Press, 2010) and The History of the Social Sciences Since 1945 (Cambridge University Press, 2010). He has written for a number of journals including Economics and Philosophy, History of Political Economy, Isis and the British Journal of Sociology.

At LSE, Philippe has been involved with the organization of the History of Post-war Social Science Workshop since the mid-2000s. There he explores the possibility of a history of the social sciences as a whole, with special emphasis on interdisciplinary interactions and common problems.