(FILES) Yvon Gattaz, aged 89, former head of French employers' association (MEDEF) and head of an association"Jeunesse et Entreprises" (Youth and companies), poses in his office in Paris on July 24, 2014. Yvon Gattaz, who was the boss of employers under Mitterrand, died on December 11, 2024 night at the age of 99, his family told AFP on December 12, 2024. (Photo by FRANCOIS GUILLOT / AFP) (Photo by FRANCOIS GUILLOT/AFP via Getty Images)