TORONTO, April 6, 2017 /CNW/ - Sierra Metals Inc. (TSX:SMT) (BVL:SMT) ("Sierra Metals" or the "Company") is pleased to announce the appointment of Igor Gonzales as President and Chief Executive Officer, effective May 1, 2017. Mr. Gonzales has served on the Sierra Metals Board of Directors since September 2013. Mr. Gonzales, born in Peru, has over
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