Director since October 2023 and General Manager since November 2023. Mr. Herrera has served as Asset Manager for Zinc South America at Glencore, having joined the group in June 2010. He held the position of Vice President of Business Development at the mining company Sinchi Wayra (a former subsidiary of the Glencore Group) in La Paz, Bolivia, from 2015 to 2020, and previously was part of the trading team at Glencore’s offices in Baar, Switzerland. He has been a director of Perubar S.A. from March 2020 to the present. Mr. Herrera holds a degree in Business Administration from the University of San Andrés in Argentina and an MBA from Dartmouth College (Tuck), United States of America.