New research professors to join ENSAE-CREST

The training provided at ENSAE Paris benefits from the excellence and diversity of its faculty, as well as the strength of its research. Find out below about the research professors in economics, sociology, finance, insurance and statistics who will soon be joining ENSAE and CREST (in alphabetical order).

Suzanne Bellue will join the Economics departement 

Suzanne Bellue was a PhD candidate in economics, Graduate School of Economic and Social Sciences at Mannheim University. Her research focuses on macroeconomics, public economics, labour economics and development economics. She is particularly interested in the link between geographical mobility and social mobility, and the effects of public policies on segregation, inequality and social mobility. She will join ENSAE-CREST at the start of the 2023 academic year.

Marion Leroutier will join the Economics department

Marion Leroutier is an applied environmental economist focusing on two major environmental issues, ambient air pollution and climate change. She is currently a post-doctoral researcher at the Stockholm School of Economics (SSE), based at Misum, a multidisciplinary research center on sustainability. She is also affiliated with SSE’s Department of Economics.
Marion completed her PhD at the Paris School of Economics (PSE) in July 2021. Her PhD received the 2022 Best Doctoral Dissertation Award from the European Association of Environmental and Resource Economists (EAERE).
Marion’s current research agenda has two angles. In a first angle, she investigates the societal cost of air pollution and the causal impact of climate and environmental policies, with an emphasis on health, productivity, and distributional effects. In a second and more early-stage angle, she studies the determinants of support for green policies, in particular the role of social norms and identity.
Marion Leroutier will join ENSAE-CREST as a tenure-track Assistant Professor in September 2024. In the academic year 2023/2024, she will be a postdoctoral fellow at the Institute for Fiscal Studies (IFS), while teaching a course in advanced environmental economics at ENSAE Paris and the Master in Economics at IP Paris.

Olivier Lopez will join the Finance and Insurance department

Olivier Lopez is a professor of applied mathematics (statistics), affiliated with the Laboratoire de Probabilités, Statistique et Modélisation at Sorbonne University (Financial and Actuarial Mathematics team, numerical probabilities). Since January 2016, he was the Director of ISUP (Institut de Statistique de l'Université de Paris). He is also an associate member of the Institut des Actuaires, and the Institut des actuaires' representative on the Education Committee of the European Actuarial Association since 2019.
Olivier’s main research topics are statistics applied to actuarial science, the statistical study of duration models, copula models, high-dimensional problems, and the modelling of emerging risks in insurance, particularly cyber-risks. At the Fondation du Risque, he is the co-leader of the 'Cyber-insurance: actuarial modeling' project (with Caroline Hillairet, research professor in charge of the "Actuarial Science" track) funded by the AXA Research Fund (AXA GRM - ENSAE Paris - Sorbonne University - Fondation du Risque). He will join ENSAE-CREST at the start of the 2023 academic year.

Léa Pessin will join the Sociology department

Léa Pessin is an Assistant Professor of Sociology and Demography and a faculty associate at the Population Research Institute at the Pennsylvania State University (Sociology and Criminology department). She holds a PhD in Sociology and Demography from the Pompeu Fabra University. She was a 2018 Work and Family Researchers Network Early Career Fellow.
Her research agenda focuses on the unequal consequences of the gender revolution on women’s work and family outcomes across class, race, and contexts. She applies quantitative methods to cross-national and longitudinal data to explore variation across countries and time. Her work has been published in Demography, Social Forces, The Journal of Marriage and Family, Demographic Research, The European Sociological Review, and The Journal of Personal and Social Relationships. She will join ENSAE-CREST before the start of the 2023 academic year.

Austin Stromme will join the Statistics department

Austin Stromme was a 5th year PhD student in the EECS Department at MIT, advised by Philippe Rigollet and Guy Bresler. His research interests include geometric problems related to statistics and optimization. He graduated with a double major in math and computer science from the University of Washington in 2018. His work has already been published and presented at leading statistics and machine learning conferences (NeurIPS, AISTATS, COLT, etc.). He will be joining ENSAE-CREST by the end of 2023.

Olivier David Zerbib will join the Finance and Insurance department

Olivier David Zerbib's research focuses on sustainable and environmental finance and the theoretical and empirical asset pricing. A graduate from ENSAE, he obtained a PhD in finance from Tilburg University (2016-2021) after working in the financial industry. He was successively Assistant Professor at Boston University and EDHEC Business School. He will join ENSAE-CREST at the start of the 2023 academic year.