Mr. Sergio Rivera joined Marimaca Copper in November 2011 as VP Exploration, the department for which he took full responsibility in June 2018. A respected Chilean geologist, Sergio has over 30 years’ experience and is credited for his involvement in several significant copper discoveries in Chile. Sergio is a member of the Society of Economic Geologist, the Society of Geology Applied to Mineral Deposits, Instituto de Ingenieros de Minas de Chile, Colegio de Geologos de Chile and Sociedad Geologica de Chile. He holds a Bachelor’s degree in Geology and a Master’s degree in Economic Geology from the Universidad Católica del Norte. Sergio is Chilean national, resident in Chile and fluent in English.