Sierra Metals
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Ernesto Balarezo
Interim CEO
Juan Carlos Nicolas Pinto Chauca
Superintendente Corporativo De Planeamiento Y Desarrollo Estratégico
Carlos Garcia Rosales
VP, Technical
Astolfo Romero
VP, Health & Safety
Alonso Lujan
Interim General Manager, Mexico
+ 20 more
April, 2019 - present
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