He is a professor at New York University in the Courant Institute, and the director of NYU Paris.

[4][5][6] Previously, he had been a full professor at Ecole Polytechnique, and then at Sciences Po, Paris.

He is a graduate of Ecole Polytechnique and Corps des Mines, and holds a PhD in Economics from Harvard University.

He has contributed to the econometrics of matching markets, discrete choice models, martingale optimal transport, and quantile regression.

[5][8] He is a fellow of the Econometric Society[9] and the author of Optimal Transport Methods in Economics.