Person ? François Le Brun de Sessevalle
- From 1917-01-01 to 1933-12-31, Administrateur of SOCIETE METALLURGIQUE DE PONT-A-VENDIN
- From 1940-01-01 to 1940-12-31, Administrateur of TETRA
- From 1945-01-01 to 1945-12-31, Administrateur of TETRA
- From 1948-01-01 to 1953-12-31, Administrateur of TETRA