IÉSEG School of Management ("IÉSEG" stands for Institut d'Economie Scientifique Et de Gestion, literally means "The Institute of Scientific Economy and Management") is a post-bac business school in France, established in 1964 in Lille. This business school is a member of the Université Catholique de Lille, the largest private university in France in terms of student population and endowment. The school has two campuses, one in Lille and one in Paris. IÉSEG holds the “Triple Crown” of international accreditations: EQUIS, AACSB, and AMBA, and is part of a limited circle of the best business schools worldwide (less than 1%).