40 years old, chartered engineer, Ecole Polytechnique and Ecole des Ponts et Chaussées. In 1994, Stéphane collaborated with Olivier Dupont, Lionel Cormier and Sophie Paturle within the fund BTP Capital as a contributor on the eco-industries’ sector.
From 1994 to 2001, he had held the position of Director of Territorial Services of the Ministry of Ecology, Energy, Sustainable Development and Territorial Development, in charge of construction and operation activities in the road, ports and airports sectors. He has also directed interdepartmental missions in the water sector.