Mark Cossom

Director/Board Member at TALISMAN MINING LIMITED

Non-Energy Minerals

Consumer Services

Commercial Services

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	2025-09-16
TALISMAN MINING LIMITED	Director/Board Member	2026-08-19
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	2011-02-10

All active positions of Mark Cossom

Former positions of Mark Cossom

Companies	Position	End
GATEWAY MINING LIMITED	Chief Executive Officer	2024-10-01
STRICKLAND METALS LIMITED	Director/Board Member	2024-06-20
DORAY MINERALS LIMITED	Corporate Officer/Principal	2019-03-31

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Training of Mark Cossom

Experiences
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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