Person ? I. Orban
- From 1940-01-01 to 1945-12-31, Commissaire des comptes of SOCIETE GENERALE DE BELGIQUE
- From 1940-01-01 to 1945-12-31, Commissaire of ACIÉRIES RÉUNIES DE BURBACH-EICH-DUDELANGE (ARBED)
- From 1948-01-01 to 1953-12-31, Administrateur of ACIÉRIES RÉUNIES DE BURBACH-EICH-DUDELANGE (ARBED)
- From 1948-01-01 to 1953-12-31, Administrateur of CHARBONNAGES DE RESSAIX, LEVAL, PERONNES, SAINTE-ALDEGONDE ET GENK