Sergio NuñezProcurement Superintendent

    * Sergio Núñez joined Minera Tres Valles in 2012 where he is currently the Procurement Superintendent. He is responsible for supply and third-party contracting where he must manage quality control and productivity as well as aim to reduce costs.

    * He holds more than 24 years of work experience, heavily focusing on the mining industry where he once worked for the large mining company VALE.

    * Mechanical Engineer from the Federal University of Itajubá in Brazil.