Maciej Sciazko has almost two decades of senior management experience in mining operations, building of mega-mining projects and turnarounds. He worked in various mining executive roles in Europe, Turkey, Indonesia, India, Australia, Canada and South America. Those roles included working at underground and open pit operations in coal, copper, zinc, molybdenum, gold and silver. Prior to joining Nyrstar, Mr Sciazko was the chief executive and general manager of Lumina Copper, ramping up and turning around the Caserones mine in Chile. He was also the general manager of Sierra Gorda mine in Chile, taking it from construction to production stage.