Bernard Dubois (Polytechnique 1979) joined Saint-Gobain Recherche in 1986, after writing a thesis (under a CIFRE-French Ministry of Research Training in Industry Convention with Saint-Gobain Recherche) in the CNRS Solid Chemistry Laboratory at the Université de Bordeaux I. He rapidly rose to head the Fusion Process Group.

In 1991, he was transferred to the Flat Glass Branch where he was appointed Production Manager for Insulating Automobile Glass at the VEGLA plant in Germany. He returned to France in 1994 as Assistant to the Industrial Manager of Saint-Gobain Sekurit France where, in particular, he was responsible for improving the production performance of the 3 SGSF plants. Then from 1995 to 1999, he was Director of SVE, Société Verrière d'Encapsulation, an SGSF production unit with 200 employees for encapsulation and extrusion of plastic components for automobile windows.

Since 2000, he has filled the position of Director of Logistics and purchase for Saint-Gobain Sekurit France with the following main responsibilities: "Integrated Supply Chain" for the three SGSF sites (EDI automaker order planning, inventories in 15 advanced warehouses, central planning, flows, packaging, and transport) between suppliers, other Sekurit companies and European customer automakers' sites, as well as procurements worth an annual 130 million euros (materials, investments, outsourced services, etc).