Stuart Tonkin

Chief Executive Officer at NORTHERN STAR RESOURCES LIMITED

Net worth: 4 M $ as of 29/11/2025

49 year

Non-Energy Minerals

Industrial Services

Profile

Stuart Tonkin occupies the position of Chief Executive Officer for Northern Star Resources Ltd. He is also on the board of Gold Industry Group. In the past Mr. Tonkin held the position of Principal at Eltin Ltd., Chief Operating Officer for Barminco Ltd., Principal at Newmont Australia Pty Ltd. and Principal at Oxiana Ltd. He received an undergraduate degree from Western Australian School of Mines.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
NORTHERN STAR RESOURCES LTD 0.02%	18/11/2025	250,000 ( 0.02% )	4 M $	29/11/2025

Latest news about Stuart Tonkin

10-23	Northern Star Resources Limited, Q1 2026 Earnings Call, Oct 23, 2025
08-21	Northern Star Resources : 2025 Corporate Governance Statement (6 fy25 corporate governance statement double page 21 08 2025)	PU
08-21	Northern Star Resources : 2025 Modern Slavery Statement (8 fy25 modern slavery statement double page 21 08 2025)	PU
08-21	Northern Star Resources Limited, 2025 Earnings Call, Aug 21, 2025
07-24	Northern Star Resources Limited, Q4 2025 Earnings Call, Jul 24, 2025

Stuart Tonkin active positions

Companies	Position	Start
NORTHERN STAR RESOURCES LIMITED	Chief Executive Officer	28/11/2016
Gold Industry Group	Director/Board Member	-

All active positions of Stuart Tonkin

Former positions of Stuart Tonkin

Companies	Position	End
Barminco Ltd. Barminco Ltd. Precious MetalsNon-Energy Minerals Provides underground mining services	Chief Operating Officer	31/12/2015
African Underground Mining Services Pty Ltd. African Underground Mining Services Pty Ltd. Provides mining services	Director/Board Member	-
Oxiana Ltd. Oxiana Ltd. Precious MetalsNon-Energy Minerals Mines and explores for gold and copper	Corporate Officer/Principal	-
Newmont Australia Pty Ltd. Newmont Australia Pty Ltd. Precious MetalsNon-Energy Minerals Operates gold mining projects	Corporate Officer/Principal	-
Eltin Ltd. Eltin Ltd. Engineering & ConstructionIndustrial Services Provides surface and underground contract mining services	Corporate Officer/Principal	-

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Training of Stuart Tonkin

Experiences
Positions held

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Private companies

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Connections

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Members of the board

Executives

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Linked companies

Private companies	8
Northern Star Resources Ltd. Northern Star Resources Ltd. Precious MetalsNon-Energy Minerals Acquires, explores and develops mineral resources	Non-Energy Minerals
Oxiana Ltd. Oxiana Ltd. Precious MetalsNon-Energy Minerals Mines and explores for gold and copper	Non-Energy Minerals
Barminco Ltd. Barminco Ltd. Precious MetalsNon-Energy Minerals Provides underground mining services	Non-Energy Minerals
Newmont Australia Pty Ltd. Newmont Australia Pty Ltd. Precious MetalsNon-Energy Minerals Operates gold mining projects	Non-Energy Minerals
Eltin Ltd. Eltin Ltd. Engineering & ConstructionIndustrial Services Provides surface and underground contract mining services	Industrial Services
African Underground Mining Services Pty Ltd. African Underground Mining Services Pty Ltd. Provides mining services
Western Australian School of Mines Western Australian School of Mines Functions as a College/University
Gold Industry Group