Person ? J. Matte
- From 1912-01-01 to 1933-12-31, Administrateur of STÉ DES MINES DE CUIVRE DE NALTAGUA
- From 1917-01-01 to 1917-12-31, Administrateur of Compania Huanchaca de Bolivia
- From 1940-01-01 to 1940-12-31, Administrateur of STÉ DES MINES DE CUIVRE DE NALTAGUA