Person ? Helbig de Balzac
- From 1940-01-01 to 1945-12-31, Commissaire of UNION MINIERE DU HAUT-KATANGA
- From 1948-01-01 to 1948-12-31, President-Commissaire of UNION MINIERE DU HAUT-KATANGA
- From 1953-01-01 to 1953-12-31, Commissaire of UNION MINIERE DU HAUT-KATANGA