Serge COSTA Mamede has extensive experience in the commercial sector, currently serving as Directeur Commercial at ALKERN since February 2020. Prior to this role, Serge held various positions at PILLAUD Matériaux from March 2002 to January 2020, including Responsable régional overseeing 16 agencies in the Marne, Aube, Aisne, and Seine-et-Marne regions, as well as Animateur secteur managing 6 agencies. Earlier in Serge's career, positions included Responsable d’agence and Responsable matériaux at POINT.P - SGDB France from April 1999 to February 2002, and Vendeur. Serge holds a BTS in Bâtiment, specializing in building construction technology, obtained from Lycée François Arago between 1994 and 1998.