Renaud Keizer is an experienced commercial director with a strong background in sales management and business development. Currently serving as Directeur Commercial at ALKERN since July 2016, Renaud leads a sales team and manages key accounts within the construction sector. Previously, Renaud held the position of Directeur Régional des Ventes at Siniat from October 2011 to June 2016, overseeing the sales activities in the South West region. Renaud's extensive career also includes roles such as Directeur National des Ventes at Diversey, where responsibilities spanned multiple distribution channels, and marketing leadership positions that focused on product innovation and sustainability. Renaud holds a Diplôme d'ingénieur in Ingénierie des matériaux from ENSITM, obtained in 1996.