![John Mirko](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>)
John Mirko
Chief Executive Officer at
ROKMASTER RESOURCES CORP.
Net worth: 975 095 $ as of 31/05/2026
Profile
Mr. John M.
Mirko is a President, Chief Executive Officer & Director at Rokmaster Resources Corp., a President at Canam Mining Corp., a Member at Prospectors & Developers Association of Canada, a Member at Society of Economic Geologists, a Member at Society of Economic Geologists Canada Foundation and a Member at The Canadian Institute of Mining, Metallurgy & Petroleum.
He is on the Board of Directors at Nickel North Exploration Corp.
and Rokmaster Resources Corp.
Mr. Mirko was previously employed as an Independent Director by Nine Mile Metals Ltd., an Independent Director by Walcott Resources Ltd., an Independent Director by Affinity Metals Corp., a President by Canam Alpine Ventures Ltd., and a President by Frontier Pacific Mining Corp.
He also served on the board at Aardvark Ventures, Inc., Stikine Energy Corp., Pacific Rim Mining Corp.
/Old/, Auckland Explorations Ltd., Calypso Acquisition Corp.
and Skylark Resources Ltd.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 09/06/2026 | 34,824,828 ( 17.53% ) | 975 095 $ | 31/05/2026 |
John Mirko active positions
| Companies | Position | Start |
|---|---|---|
| ROKMASTER RESOURCES CORP. | Chief Executive Officer | 21/12/2010 |
| NICKEL NORTH EXPLORATION CORP. | Director/Board Member | 11/09/2024 |
Prospectors & Developers Association of Canada
 Prospectors & Developers Association of Canada Miscellaneous Commercial ServicesCommercial Services Operates as a mineral exploration & development association | Corporate Officer/Principal | - |
Society of Economic Geologists Canada Foundation | Corporate Officer/Principal | - |
The Canadian Institute of Mining, Metallurgy & Petroleum
 The Canadian Institute of Mining, Metallurgy & Petroleum Miscellaneous Commercial ServicesCommercial Services Operates as a non-for-profit technical society of professionals in the Canadian minerals, metals and materials market | Corporate Officer/Principal | - |
Society of Economic Geologists
 Society of Economic Geologists Miscellaneous Commercial ServicesCommercial Services Operates an organization for economic development | Corporate Officer/Principal | - |
Canam Mining Corp. | Founder | 01/01/1990 |
Former positions of John Mirko
| Companies | Position | End |
|---|---|---|
| NINE MILE METALS LTD. | Director/Board Member | 01/02/2022 |
| MEGAWATT LITHIUM AND BATTERY METALS CORP. | Director/Board Member | 30/09/2020 |
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Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
71
1st degree connections
18
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 18 |
|---|---|
Frontier Pacific Mining Corp.
 Frontier Pacific Mining Corp. Precious MetalsNon-Energy Minerals Explores and mines for gold and copper | Non-Energy Minerals |
Mabel Ventures, Inc.
 Mabel Ventures, Inc. Precious MetalsNon-Energy Minerals Engages in exploration, development and mining of resource properties | Non-Energy Minerals |
Springbok Ventures, Inc.
 Springbok Ventures, Inc. Financial ConglomeratesFinance Operates as a blank check company | Finance |
Nickel North Exploration Corp.
 Nickel North Exploration Corp. Other Metals/MineralsNon-Energy Minerals Mines for nickel and other minerals | Non-Energy Minerals |
Rokmaster Resources Corp.
 Rokmaster Resources Corp. Precious MetalsNon-Energy Minerals Provides precious metals, base metals and industrial minerals exploration & development services | Non-Energy Minerals |
Society of Economic Geologists
Society of Economic Geologists Miscellaneous Commercial ServicesCommercial Services Operates an organization for economic development | Commercial Services |
The Canadian Institute of Mining, Metallurgy & Petroleum
The Canadian Institute of Mining, Metallurgy & Petroleum Miscellaneous Commercial ServicesCommercial Services Operates as a non-for-profit technical society of professionals in the Canadian minerals, metals and materials market | Commercial Services |
Prospectors & Developers Association of Canada
Prospectors & Developers Association of Canada Miscellaneous Commercial ServicesCommercial Services Operates as a mineral exploration & development association | Commercial Services |
Calypso Acquisition Corp.
 Calypso Acquisition Corp. Financial ConglomeratesFinance Acquisition vehicle led by Cyanco Holding Corp and OCM Principal Opportunities Fund IV LP, a fund managed by Oaktree Capital Management LP | Finance |
Pacific Rim Mining Corp. /Old/
 Pacific Rim Mining Corp. /Old/ Other Metals/MineralsNon-Energy Minerals Provides mining services | Non-Energy Minerals |
Affinity Metals Corp.
 Affinity Metals Corp. Precious MetalsNon-Energy Minerals Engages in the acquisition, exploration and advancement of Canadian mineral properties | Non-Energy Minerals |
Society of Economic Geologists Canada Foundation | |
Canam Mining Corp. | |
MegaWatt Lithium & Battery Metals Corp.
 MegaWatt Lithium & Battery Metals Corp. Other Metals/MineralsNon-Energy Minerals Engages in acquisition and exploration of mineral resource properties | Non-Energy Minerals |
Auckland Explorations Ltd. | |
Skylark Resources Ltd. | |
Nine Mile Metals Ltd.
 Nine Mile Metals Ltd. Precious MetalsNon-Energy Minerals Engages in gold and metal mining activities | Non-Energy Minerals |
Canam Alpine Ventures Ltd.
 Canam Alpine Ventures Ltd. CoalEnergy Minerals Engages in exploration of mining operations | Energy Minerals |
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