Olivier Berthelot

Chief engineer (X 1994, ENPC 1999) was successively head of the major infrastructure development department of the Seine-et-Marne Departmental Equipment Directorate (DDE) in 2003, technical adviser in charge of real estate investments in the cabinet of the Keeper of the Seals in 2004, civil aviation technical advisor to the office of the Minister of Transport, Equipment, Tourism and the Sea in 2005. Managing Director of GGL Groupe, private land developer in Languedoc-Roussillon in 2007, he was appointed in 2012, general manager of the services of the City of Versailles and the agglomeration community of Versailles Grand Parc. He joined Eiffage Génie Civil in 2019 as Operational Director of the Rail activity.