TORONTO, April 6, 2017 /PRNewswire/ – 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 30 years of experience with major mining companies with world-class mineral assets. Mr. Gonzales worked in Minas Buenaventura as Vice President of Operations from November 2014 to April 2017, worked for Barrick Gold Corporation from 1998 to 2013, first as Vice President and General Manager of Pierina Mine in Peru, then President of Barrick South America, and most recently as Chief Operating Officer for Barrick Gold Corporation. Mr Gonzales also worked for Southern Peru Copper Corporation in Peru. Mr. Gonzales has a Bachelor of Science degree in Chemical Engineering from the University of San Antonio Abad in Cusco, Peru, and was a Fulbright Scholar at the New Mexico Institute of Mining and Technology, where he earned a Master of Science degree in Extractive Metallurgy.