Person ? C. Poirson
- From 1912-01-01 to 1912-12-31, Administrateur of PLANTATIONS DE CAOUTCHOUC DE SUMATRA
- From 1912-01-01 to 1917-12-31, Administrateur of COMPAGNIE DES CAOUTCHOUCS DE PADANG
- From 1912-01-01 to 1927-12-31, Administrateur of COMPANHIA COLONIAL DO BUZI
- From 1917-01-01 to 1923-12-31, Administrateur of SOCIÉTÉ FINANCIERE DES CAOUTCHOUCS
- From 1917-01-01 to 1923-12-31, Administrateur of CAISSE GENERALE DE PRÊTS FONCIERS ET INDUSTRIELS