Tungsten West plc non-executive directors (NEDs) Francis Johnstone and Grace Stevens have stepped down with immediate effect.
The news comes as the company appoints Neil Gawthorpe as its new chief executive officer.
Additionally, senior independent NED Martin Wood will lead the audit and risk committee, effective immediately, replacing Ms Stevens.
“I would like to thank Francis for his contribution since joining the board in 2019, especially for his guidance through the early funding process and the transition to a listed company,” said chairman David Cather.
“I would also like to thank Grace for her dedication leading the audit and risk committee and overseeing the company’s drive to meet the highest governance standards expected of a listed company.
Tungsten West said it was in the process of identifying additional suitable industry experienced non-executive directors.