Person ? Emile Calvayrac
- From 1923-01-01 to 1927-12-31, Administrateur of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"
- From 1933-01-01 to 1933-12-31, Administrateur à Paris of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"
- From 1933-01-01 to 1933-12-31, Administrateur of ESTRELLAS MINING AND FINANCE CORPORATION LIMITED
- From 1940-01-01 to 1940-12-31, Administrateur of ESTRELLAS MINING AND FINANCE CORPORATION LIMITED
- From 1940-01-01 to 1948-12-31, Membre du comité de Paris of COMPAGNIE MINIERE "LAS DOS ESTRELLAS"