Skip to content


Lucas Poblete

Lucas Poblete

Plant Metallurgist and Head of Laboratory

Metallurgical Civil Engineer from the Federico Santa María Technical University. He is currently studying a Master in Business Management at the same University.


His work at Minera Tres Valles began in 2018 as an R&D Metallurgist, working in its Chemical-Metallurgical laboratory and aiding in the development of metallurgical tests associated with chloride leaching as well as seeking out overall operational improvements.

In 2020, he began working as a Plant Metallurgist, where he prepared metallurgical balances, monthly performance reports, statistical controls and KPIs.

Since August 2022, he has been working simultaneously as Plant Metallurgist and Head of the Laboratory. He leads the area of research and development of metallurgical projects, as well as the processing of samples for quality purposes and operations.


Luis Vega Muñoz

CEO since 2016, previously working as CFO, with 25 years of professional experience. He has held a variety of positions in the areas of finance, asset management, mining operations and mining machinery maintenance.
Read More

Rafael Pérez de Arce

VP of Commercial & Corporate Affairs holds more than 30 years of experience in the mining sector, leading him to be widely knowledgeable in terms of quality and efficiency in the field of project execution.
Read More

Gonzalo Jofré

Among his many positions, he has been the Mining Manager of Minera Cerro Colorado, Minera Escondida, Collahuasi, as well as the Andina and El Salvador divisions of Codelco. Mining Civil Engineer from the University of Santiago, Chile.
Read More