Olivier Maris joined Saint-Gobain Recherche in 1980 as an Engineer with the "Thin Coating" Department; he was appointed Manager of this department in 1985, and Manager of the "Vacuum Coating" International Project in 1987.

Olivier left Saint-Gobain Recherche in 1989 to join the Flat Glass Branch as Technical and Logistics Director; he was then appointed General Manager of Glasfabriek Sas van Gent (the Netherlands). He oversaw the construction of the present plant, which is responsible for global sales of Cool-lite solar-control glass, and launched production at this plant of Saint-Gobain's first dual-layer glass, Cool-lite SKN.

He was then appointed Director of Saint-Gobain Vitrage France's southeast subsidiaries, before joining the Insulation Branch in 1997 as Director of the Industrial Research Center (CRIR) in Rantigny, France, and in 2000 he was appointed Director of Saint-Gobain Isover's plant in Orange, France.

He is currently, General Director of Saint-Gobain ZIRPRO