Presently, Guillaume de Seynes is Chairman for Comite Colbert and MD-Manufacturing & Equity Investments at Hermès International SCA.
He is also on the board of Compagnie des Cristalleries de Saint Louis SAS, J.L. & Co. Ltd. and John Lobb and Executive Vice President for La Montre Hermès SA, Member-Management Board at Émile Hermès SARL and Executive Vice President of Hermès Sellier SA.
Guillaume de Seynes previously held the position of Chairman for European Cultural & Creative Industries Alliance and Chairman at Chambre Syndicale Du Pret A Porter.
He received a graduate degree from ESSEC Business School.