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Sierra Metals Inc. announced today that it has appointed Ernesto Balarezo to Chief Executive Officer and José Fernández-Baca to Chief Financial Officer, both of whom had been. | May 31, 2023

United statesCerro coronaUnited kingdomLa cimaOscar cabreraSociedad minera coronaSpencer stuartErnesto balarezoSierra metals incAmericas at gold fields ltdTexasam universityHochschild groupNorthern illinois universitySierra metalsChief executive officerChief financial officer