Benoît STEHELIN has been an associate at T/E/S/S since its creation in 2007. As project leader and architect, he runs projects to do with the building envelope and renovation of existing buildings.

He is a qualified architect, graduate of the Ecole d’Architecture de Versailles. During his degree, he also studied at the University of Illinois, Chicago.

Following a variety of positions within architectural practices in France and abroad, Benoît STEHELIN joined RFR in 2005. Here his work included the project to refurbish Maison de la Radio in Paris, and the reconstruction of terminal 2E at Roissy–Charles de Gaulle. Benoît STEHELIN joined T/E/S/S in 2007, where he continued his work on terminal 2E at Roissy, and was responsible for the external and internal glazed envelopes of the Fondation Louis Vuitton. At T/E/S/S, he has developed his experience of refurbishment and renovation of existing buildings, as well as of the restoration of 20th-century architectural heritage and of other listed historical buildings. Notably, he worked on the extension of one of the university residences in Nancy, on feasibility studies for the Maison des Sciences de l’Homme in Paris, and on the conversion of the Alsthom warehouse in Saint-Ouen.  He is in charge of the renovation of the "Bourse de Commerce" in Paris, for the Fondation Pinault