Sierra Metals Announces the Appointment of Koko Yamamoto to Its Board of Directors
J. Alberto Arias, Chairman of Sierra Metals, commented: ‘On behalf of the Board and Management, I would like to welcome Koko to the Sierra Metals Board of Directors. Kokos experience in corporate accounting and reporting makes her a valuable addition as an independent director to our Board. We believe that Koko will help Sierra Metals execute on its considerable growth plans and strategic opportunities that it has available at all its properties.’












