Technical Team

Matthew Weaver

Senior Vice President of Engineering and Operations

Matt manages all engineering and operational aspects of the Rhyolite Ridge Project. He has more than 30 years‘ experience working on both small and large-scale development projects at BHP, Rio Tinto and Newmont, as well as for several smaller mining companies.

Michael Le Page

Commercial Director – Sales & Marketing

Michael’s experience includes nearly 20 years with the Rio Tinto Group where he worked in various Chief Commercial Officer, Vice President and General Manager roles, principally in the Industrial Minerals area.  Michael has an in depth knowledge and experience of global sales, marketing and supply chain in borates, salt, gypsum and talc plus project work in lithium and potash. 

Yoshio Nagai

Sales & Business Development Director

Yoshio’s experience includes more than 10 years with the Rio Tinto Group, primarily in Asia and USA as Sales Vice President accountable for borates, salt and talc products. Yoshio is a highly experienced senior sales and marketing executive with a strong focus on customer relationships. 

Peter Ehren

Lead Process Engineer 

Chemical engineer with extensive experience in process development and optimization for lithium, boron and potassium including with SQM and Orocobre.

Silvio Bertolli

Consulting Chemical Engineer

Chemical engineer with over 40 years of experience in process design and technology development in the chemicals and metallurgical industries for lithium, uranium, base and rare metals.


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