Mario started his career at the first HL-SX-EW operation in Chile, becoming the Technical Support Manager for the licensees of the process patents developed by the company.  He then later joined international E&C firms developing and leading studies and projects in different countries.

MSc Mechanical engineer with 40 years of experience, he has held positions in administration, maintenance, operations management, administration, sales, project management, engineering, commissioning and start-up in areas related to mining, metals and mineral processing.