Chemical Engineer (ESCIL Lyon) and PhD in Inorganic Physical Chemistry, Gildas Guillevic has spent most of his career within the Lafarge Group. At the request of the Group Management Board and its Research, Technology and Innovation Director, in 1996, Gildas has established, then developped a technological and the competitive intelligence Department at Lafarge. In this context, he had asked Marc-Henri Menard to achieve an international benchmark in a particular field.

Former president of the "Construction Products Regulation" working Groups of the AIMCC (French Association for Construction Products) and of the CEPMC (Council of European Producers of Materials for Construction), Gildas Guillevic is undoubtedly one of the best French experts on European norms and regulations in the construction material sector. He brings his expertise in some BT2i® missions related to innovative building materials.