Vancouver, BC – April 14, 2015 – Sierra Metals Inc. (TSX:SMT)(BVL:SMT) (“Sierra Metals” or the “Company”) is pleased to announce the appointment of Mark Brennan as President and Chief Executive Officer, effective April 13, 2015. Mr. Brennan is replacing Sierra Metals’ former President and CEO, Audra Walsh, whose resignation was announced earlier today. In conjunction… Continue Reading