Gabrielle Demange is Directeur de recherches at l'Ecole des Hautes Etudes en Sciences Sociales (EHESS) and Professor at Paris School of Economics.  Her research has concentrated on game theory and its applications (multi-item auctions, voting rules, ranking methods, coalition formation, and networks) and financial economics (intergenerational risk sharing,  intermediation).

Her works on two-sided matching games and multi-item auctions with David Gale were among the first in a now large field. Her current research studies taxation of multinational firms and resolution in financial networks. 

Apart from research articles in top journals, she has written three textbooks in Finance and Game Theory. She is a Fellow of the Econometric Society, Economic Theory Fellow, and a Fellow of the Game Theory Society, member of The Academia Europaea and the  American Academy of Arts and Sciences, and a recipient of the CNRS Silver medal.  She has served as a member of various editorial boards and Scientific Councils.