Person ? A. Bertherand
- From 1933-01-01 to 1933-12-31, Administrateur of MINAS PEDRAZZINI (Minas Pedrazzini Gold et Silver Mining Company)
- From 1940-01-01 to 1940-12-31, Administrateur of CIE MINIERE DE SANTIAGO Y ANEXAS
- From 1940-01-01 to 1948-12-31, Administrateur of MINAS PEDRAZZINI (Minas Pedrazzini Gold et Silver Mining Company)
- From 1945-01-01 to 1945-12-31, Administrateur of CIE MINIERE DE SANTIAGO Y ANEXAS