Guardian Metal Resources appoints Dr Mark Thorpe as director
Guardian Metal Resources plc has appointed Dr Mark Bramley Thorpe as an Independent Non-executive Director, effective immediately. He succeeds Mr. Mark Burnett and will join the Audit Committee.

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Guardian Metal Resources plc has appointed Dr Mark Bramley Thorpe as an Independent Non-executive Director with immediate effect, strengthening its governance structure. The appointment follows the conclusion of necessary due diligence and previous announcements regarding board changes on May 21, 2026. Dr Thorpe replaces Mr. Mark Burnett, who retired from the Board, and will serve as a member of the Audit Committee.
The company disclosed the appointment pursuant to Rule 17 and Schedule Two paragraph (g) of the AIM Rules for Companies. Dr Thorpe, aged 66, brings experience from former directorships held within the last five years, including roles at Envirogold Global Limited and the Canada Mining Innovation Council. There are no current directorships or partnerships to disclose.
Regulatory Disclosures
The following table outlines Dr Thorpe's recent professional history as required by AIM regulations:
| Current directorships and/or partnerships | Former directorships and/or partnerships (within the last five years) |
|---|---|
| - | Envirogold Global Limited (Canada) |
| Canada Mining Innovation Council (Canada) |
Company Overview
Guardian Metal Resources PLC is a mineral exploration company focused on tungsten within Nevada, USA. The company is advancing two co-flagship tungsten projects: Pilot Mountain and Tempiute. In July 2025, the U.S. Department of War invested US$6.2M in Golden Metal Resources (USA) LLC, a wholly-owned subsidiary, to support the Pilot Mountain PFS. The company completed a U.S. listing on the NYSE American on March 20, 2026.
How will Dr. Thorpe's expertise influence the progression of the Pilot Mountain and Tempiute projects?
What additional board changes can be expected following this governance restructuring?
How might the recent U.S. listing impact the company's ability to attract further investment?
























