![Marnie Finlayson](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Marnie Finlayson
Chief Executive Officer at
DEVEX RESOURCES LIMITED
Net worth: 209 857 $ as of 30/09/2026
Profile
Marnie Finlayson is currently an Independent Non-Executive Director at Northern Star Resources Ltd. since 2022 and a Managing Director & Director at DevEx Resources Ltd. starting in 2025.
Formerly, Ms. Finlayson was Managing Director-Battery Materials at Rio Tinto Ltd. Education includes undergraduate studies at the Western Australian School of Mines.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 11/09/2026 | 9,533 ( 0% ) | 164 277 $ | 30/09/2026 | |
DEVEX RESOURCES LTD 0.05% | 29/01/2026 | 344,828 ( 0.05% ) | 45 579 $ | 30/09/2026 |
Marnie Finlayson active positions
| Companies | Position | Start |
|---|---|---|
| NORTHERN STAR RESOURCES LIMITED | Director/Board Member | 01/10/2022 |
| DEVEX RESOURCES LIMITED | Chief Executive Officer | 01/12/2025 |
Former positions of Marnie Finlayson
| Companies | Position | End |
|---|---|---|
| RIO TINTO GROUP | Corporate Officer/Principal | - |
Education of Marnie Finlayson
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
27
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
Northern Star Resources Ltd.
 Northern Star Resources Ltd. Precious MetalsNon-Energy Minerals Acquires, explores and develops mineral resources | Non-Energy Minerals |
Rio Tinto Ltd.
 Rio Tinto Ltd. Other Metals/MineralsNon-Energy Minerals Explores and mines for mineral resources | Non-Energy Minerals |
DevEx Resources Ltd.
 DevEx Resources Ltd. Other Metals/MineralsNon-Energy Minerals Engages in the exploration and development of uranium and rare earth elements | Non-Energy Minerals |
Western Australian School of Mines
 Western Australian School of Mines Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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