![Eira Thomas](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>)
Eira Thomas
Chief Executive Officer at
NORTH ARROW MINERALS INC.
Net worth: 2 M $ as of 2026-07-30
Profile
Ms. Eira M.
Thomas is a Chairman at Tectonic Metals, Inc., a Chief Executive Officer & Director at North Arrow Minerals, Inc. and a Chairman at Westhaven Gold Corp.
She is on the Board of Directors at North Arrow Minerals, Inc., Anglo Celtic Exploration Ltd., Natural Diamond Council Ltd., Prospectors & Developers Association of Canada, Province of Northwest Territories and University of Toronto Alumni Association.
Ms. Thomas was previously employed as a President & Chief Executive Officer by Kaminak Gold Corp., an Independent Director by Dundee Precious Metals, Inc., a President, Chief Executive Officer & Director by Lucara Diamond Corp., an Independent Director by Suncor Energy, Inc., an Independent Director by Lundin Gold, Inc., a President by Navigator Exploration Corp., a Director & Vice President-Exploration by Aber Diamond Corp., a Vice President-Exploration by Aber Resources Ltd., a Chief Executive Officer by Stornoway Diamond Corp., a Chief Executive Officer by Stornoway Ventures Ltd., a Founder by Clara Diamond Solutions LP, a Vice President by Dominion Diamond Corp., and a Vice President by Dominion Diamond Mines ULC.
She also served on the board at Suncor Energy, Inc. /Old/, International Uranium Corp., Cornish Metals, Inc., Ashton Mining of Canada, Inc., NWT & Nunavut Chamber of Mines and Suncor Energy Products, Inc. She received her undergraduate degree from the University of Toronto.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-07-29 | 756,428 ( 0.83% ) | 1 M $ | 2026-07-30 | |
WESTHAVEN GOLD CORP 1.28% | 2026-02-03 | 3,334,094 ( 1.28% ) | 776 844 $ | 2026-07-30 |
| 2026-06-02 | 2,010,722 ( 4.37% ) | 343 833 $ | 2026-07-30 |
Eira Thomas active positions
| Companies | Position | Start |
|---|---|---|
| WESTHAVEN GOLD CORP. | Chairman | 2024-01-23 |
| NORTH ARROW MINERALS INC. | Chief Executive Officer | 2025-04-30 |
| TECTONIC METALS INC. | Founder | - |
Natural Diamond Council Ltd.
 Natural Diamond Council Ltd. Miscellaneous Commercial ServicesCommercial Services Provides professional, scientific and technical services | Director/Board Member | - |
Anglo Celtic Exploration Ltd.
 Anglo Celtic Exploration Ltd. Other Metals/MineralsNon-Energy Minerals Operates a mining field | Director/Board Member | - |
Province of Northwest Territories
 Province of Northwest Territories Province/StateGovernment Functions as a regional level government authority | Director/Board Member | 2010-10-18 |
University of Toronto Alumni Association | Director/Board Member | - |
Prospectors & Developers Association of Canada
 Prospectors & Developers Association of Canada Miscellaneous Commercial ServicesCommercial Services Operates as a mineral exploration & development association | Director/Board Member | - |
Former positions of Eira Thomas
| Companies | Position | End |
|---|---|---|
| SUNCOR ENERGY INC. | Director/Board Member | 2023-08-31 |
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Training of Eira Thomas
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
75
1st degree connections
28
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 28 |
|---|---|
International Uranium Corp.
 International Uranium Corp. Other Metals/MineralsNon-Energy Minerals Explores and produces uranium and vanadium deposits | Non-Energy Minerals |
Suncor Energy, Inc. /Old/
 Suncor Energy, Inc. /Old/ Oil & Gas ProductionEnergy Minerals Explores, extracts and markets crude oil and natural gas | Energy Minerals |
Aber Diamond Corp.
 Aber Diamond Corp. CoalEnergy Minerals Explores for and mines for diamonds and other precious metals | Energy Minerals |
Aber Resources Ltd. | |
Ashton Mining of Canada, Inc.
 Ashton Mining of Canada, Inc. Other Metals/MineralsNon-Energy Minerals Provides diamond exploration services | Non-Energy Minerals |
Stornoway Diamond Corp.
 Stornoway Diamond Corp. Other Metals/MineralsNon-Energy Minerals Engages in the exploration and development of diamond projects | Non-Energy Minerals |
Stornoway Ventures Ltd.
 Stornoway Ventures Ltd. Other Metals/MineralsNon-Energy Minerals Explores and mines for diamonds | Non-Energy Minerals |
Lundin Gold, Inc.
 Lundin Gold, Inc. Precious MetalsNon-Energy Minerals Explores and develops precious & base metals | Non-Energy Minerals |
Navigator Exploration Corp.
 Navigator Exploration Corp. Precious MetalsNon-Energy Minerals Explores for and mines for gold | Non-Energy Minerals |
Lucara Diamond Corp.
 Lucara Diamond Corp. Other Metals/MineralsNon-Energy Minerals Explores and mines for diamonds | Non-Energy Minerals |
Kaminak Gold Corp.
 Kaminak Gold Corp. Precious MetalsNon-Energy Minerals Operates gold mining projects | Non-Energy Minerals |
North Arrow Minerals, Inc.
 North Arrow Minerals, Inc. Other Metals/MineralsNon-Energy Minerals Acquires and explores mineral properties | Non-Energy Minerals |
Dominion Diamond Mines ULC
 Dominion Diamond Mines ULC Other Metals/MineralsNon-Energy Minerals Operates surface and underground diamond mine | Non-Energy Minerals |
Westhaven Gold Corp.
 Westhaven Gold Corp. Precious MetalsNon-Energy Minerals Engages in the acquisition and exploration of prospective resource properties | Non-Energy Minerals |
Dundee Precious Metals, Inc.
 Dundee Precious Metals, Inc. Precious MetalsNon-Energy Minerals Engages in the acquisition, exploration, development and mining of precious metal properties | Non-Energy Minerals |
Cornish Metals, Inc.
 Cornish Metals, Inc. Other Metals/MineralsNon-Energy Minerals Explores and mines mineral deposits | Non-Energy Minerals |
Suncor Energy Products, Inc.
 Suncor Energy Products, Inc. Oil Refining/MarketingEnergy Minerals Provides petroleum and oil refinery services | Energy Minerals |
University of Toronto
 University of Toronto Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Province of Northwest Territories
Province of Northwest Territories Province/StateGovernment Functions as a regional level government authority | Government |
NWT & Nunavut Chamber of Mines
 NWT & Nunavut Chamber of Mines Precious MetalsNon-Energy Minerals Provides mineral exploration and development services | Non-Energy Minerals |
Prospectors & Developers Association of Canada
Prospectors & Developers Association of Canada Miscellaneous Commercial ServicesCommercial Services Operates as a mineral exploration & development association | Commercial Services |
University of Toronto Alumni Association | |
Suncor Energy, Inc.
 Suncor Energy, Inc. Integrated OilEnergy Minerals Explores and refines oil and gas | Energy Minerals |
Anglo Celtic Exploration Ltd.
Anglo Celtic Exploration Ltd. Other Metals/MineralsNon-Energy Minerals Operates a mining field | Non-Energy Minerals |
Clara Diamond Solutions LP
 Clara Diamond Solutions LP Wholesale DistributorsDistribution Services Engages in diamonds trading | Distribution Services |
Tectonic Metals, Inc.
 Tectonic Metals, Inc. Precious MetalsNon-Energy Minerals Engages in acquisition, exploration, discovery and development of mineral resources | Non-Energy Minerals |
Natural Diamond Council Ltd.
Natural Diamond Council Ltd. Miscellaneous Commercial ServicesCommercial Services Provides professional, scientific and technical services | Commercial Services |
Dominion Diamond Corp.
 Dominion Diamond Corp. Other Metals/MineralsNon-Energy Minerals Operates as a diamond mining company | Non-Energy Minerals |
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- Eira Thomas
