About Eon

An Andean focus. An integrated team.

Eon Minerals LLC is a lithium project development company focused on the Andean region. Amanecer, in Argentina’s Pocitos Salar, is our first project.

An integrated approach

The right disciplines.
Working together.

Our team brings together experience in project development, corporate transactions, hydrogeology, process chemistry, engineering and mining law.

We connect field understanding and laboratory research with the technical and commercial work required to assess a project’s next stage.

People & experience

Our team

Experience across the disciplines that shape a mineral project.

Leadership & corporate

Fernando Villarroel

Fernando Villarroel

Chief Executive Officer

Biography

Mining executive with more than 20 years of experience in project development, asset structuring and cross-border transactions across Latin America. Former Chief Operating Officer of Lithium South.

Matthew Freibauer

Matthew Freibauer

Vice President, Corporate Development

Biography

Corporate development adviser with a background in metals and mining transactions. Founder of Grey Road Solutions, with previous investment banking experience at Bank of America and BMO Capital Markets.

Claudio Zalewski

Claudio Zalewski

Vice President, Technical Development

Biography

Civil engineer and project director with more than 35 years of experience in mining and infrastructure development across Argentina and Latin America.

Jorge Vargas

Jorge Vargas

Legal Counsel

Biography

Mining-law specialist whose work covers concessions, property rights, contractual structuring, joint ventures and option agreements.

Technical team

Marcela Casini

Marcela Casini

Senior Hydrogeologist & Qualified Person

Biography

Geologist and hydrogeologist with more than 20 years of experience in lithium-bearing salars, groundwater exploration, resource evaluation and hydrogeological modelling.

Susana Martínez

Susana Martínez

Principal Scientist, Process Chemistry

Biography

Scientist with more than 20 years of experience in applied chemistry, advanced materials and laboratory technology. Her work includes adsorption processes and materials for lithium extraction.

Gonzalo Chaparro Martínez

Gonzalo Chaparro Martínez

Chemical Engineer, Process Development

Biography

Supports brine characterisation, laboratory testwork and the evaluation of processing alternatives, connecting laboratory findings with practical project decisions.

Connect with Eon

Experience. Focus. Dialogue.

Talk to our team about Eon’s projects and development plans.

Get in touch

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