Jean-Louis DUQUESNOY started his career as a commercial banker. He held various positions within the Banque Nationale de Paris (BNP) Group such as branch manager, auditor and finally head of the Inspection Générale.
In 1986, he joined Banexi, the investment bank of the Group. There, he was in charge of managing and developing a large portfolio of industrial holdings. He then turned to M&A, financial engineering and advisory services. Since 1989, he has been successively a Partner of Saint Honoré Finance et Conseil (Compagnie Financière Edmond de Rothschild) and General Manager of Compagnie Industrielle et Financière Concorde. In September 2000, he assisted Martine Liautaud in the foundation of Liautaud & Cie, of which he has been General Manager ever since.
In the same time, he was assistant in financial analysis at the University of Paris II and lectured in two business schools : ESLSCA (Paris) and ISEFI (Marseilles). Jean-Louis DUQUESNOY graduated in Law from the University of Paris (Panthéon-Assas). He also holds a degree in Political Sciences (Institut d'Études Politiques de Paris) as well as an Executive MBA degree from the French business school HEC.