Jean Matheron (Chairman from 1947 to 1971)
SGE
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Jean Matheron has graduate from Ecole Polytechnique and Ecole nationale des Ponts et Chaussées. He married the eldest daughter of Alexandre Giros, co-founder of SGE. In 1931, he became a member of the Board of Directors and, after World War II, he replaced Henri Laborde-Milaa as chairman. He remained chairman of the company for nearly a quarter of a century and worked to promote its reputation, while embodying the spirit of the founding family. His policies were guided by great financial caution, as reflected in his refusal to record work that was not actually completed in the balance sheet.