Gastón González - Minera Tres Valles

Supervisors

1. Gastón González

Gastón González

Underground Mining Operations Supervisor

Mining Engineer from the University of Santiago with 19 years of mining experience, mainly in the south of Chile.

He has worked in both the large and medium mining industries, in Codelco’s Andina and El Teniente projects, as well as working in the El Toqui Mine as the Superintendent of Mining Operations for 13 years.

Since 2019, he has been the Underground Mining Operations Supervisor of the Papomono Mine, leading the programming and execution of the mine’s operations. He also has extensive knowledge in Block Caving mining methods.

Team

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

Rafael Pérez de Arce

VP Commercial & Corporate Affairs

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

Gonzalo Jofré

Chief Operating Officer

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

Sebastián Cortés

Public Affairs and Sustainability Manager

Head of environmental compliance, community relationships, safety, and public affairs. Professional with over 15 years of experience in sustainability issues in the mining and energy industry.

Osvaldo Larraín

Logistic, procurement and IT manager

Head of logistics, procurement, and technology processes at MTV with over 30 years of experience in administration and leadership. Holds an engineering degree and an MBA from Diego Portales University,

Eduardo Hasan

Plant Operations Manager

Head of operations for crushing, leaching, and SW-EW. Civil Engineer of Mines from the University of Chile. With over 25 years of experience in large and medium-sized mining companies

Juan Pablo Gálvez

Third-Party Ore manager

Head of third-party ore purchases. Lawyer with extensive experience in public and private sectors, community relations and authorities, permit management, and easement negotiations.

Eduardo Reyes

Human Resources and Services Manager

Head of organizational development in the company and providing general support services for the operation. With over 30 years of professional experience in human resources and union management.

Pedro Loyola

Financial Controller

Finance Manager focuses his work on the control and administration of financial resources, with emphasis on the generation of financial information.