Profile
Mark Cossom is currently Non-Executive Director at Talisman Mining Ltd. starting 2026, General Manager-Exploration & Resources at Javelin Minerals Ltd. starting 2025, and a Member of the Australasian Institute of Mining & Metallurgy.
Former roles include Chief Executive Officer, Director & MD at Gateway Mining Ltd. from 2021 to 2024, Independent Non-Executive Director at Strickland Metals Ltd. from 2021 to 2024, and Development Manager at Silver Lake (Doray) Pty Ltd. from 2012 to 2013.
Education includes undergraduate studies at Curtin University and graduate studies at the Western Australian School of Mines.
Mark Cossom active positions
| Companies | Position | Start |
|---|---|---|
| JAVELIN MINERALS LIMITED | Corporate Officer/Principal | 17/09/2025 |
| TALISMAN MINING LIMITED | Director/Board Member | 20/08/2026 |
Australasian Institute of Mining & Metallurgy
Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector | Corporate Officer/Principal | 11/02/2011 |
Former positions of Mark Cossom
| Companies | Position | End |
|---|---|---|
| GATEWAY MINING LIMITED | Chief Executive Officer | 02/10/2024 |
| STRICKLAND METALS LIMITED | Director/Board Member | 21/06/2024 |
| DORAY MINERALS LIMITED | Corporate Officer/Principal | 01/04/2019 |
Training of Mark Cossom
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Talisman Mining Ltd.
Talisman Mining Ltd. Precious MetalsNon-Energy Minerals Explores and develops base metals, copper and gold | Non-Energy Minerals |
Strickland Metals Ltd.
Strickland Metals Ltd. Precious MetalsNon-Energy Minerals Engages in the business of mineral exploration and development | Non-Energy Minerals |
Gateway Mining Ltd.
Gateway Mining Ltd. Precious MetalsNon-Energy Minerals Engages in the exploration of mineral properties | Non-Energy Minerals |
Curtin University
Curtin University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Australasian Institute of Mining & Metallurgy
Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector | Commercial Services |
Silver Lake (Doray) Pty Ltd.
Silver Lake (Doray) Pty Ltd. Precious MetalsNon-Energy Minerals Engages in exploration of gold and copper mines | Non-Energy Minerals |
Javelin Minerals Ltd.
Javelin Minerals Ltd. Other Metals/MineralsNon-Energy Minerals Engages in the acquisition, exploration, evaluation and development of mineral properties | 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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