Stéphane Valeri leaves National Council, becomes Société des Bains de Mer Chairman. By Camille Esteve. Published on 26 ... He also added that he has agreed to join the Board of Directors of the Société des Bains de Mer (SBM), succeeding Jean-Luc Biamonti as Chairman as of April 3, 2023. "I am therefore joining a great company, to …