1979, graduate, Ecole Centrale, Paris, France. Since 1981, with Air Liquide as Project Manager, Business Manager and Director, Energy Business Group; from 1993, Corporate Strategic Planning Director, Corporate Deputy Director of Operations, Corporate Executive Vice-President and Corporate Chief Executive; 2001-06. 2006-2022 Chairman & CEO. Since June 2022, Chairman of the Board of Directors. Member: - European Round Table (ERT), Paris-Saclay university Strategic Orientation Committee (COS), Asia Business Council, Singapore International Advisory Panel on Energy, H2 Council, Temasek