![Jonathan Romcke](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>)
Jonathan Romcke
Corporate Officer/Principal at
The Institution of Engineers Australia
Net worth: 431 102 $ as of 2026-05-30
Profile
Jonathan Romcke currently works at Australasian Institute of Mining & Metallurgy, as Member, Australian Institute of Co. Directors, as Member, The Institution of Engineers Australia, as Member, and Mine Managers Association of Australia, Inc., as Member.
Mr. Romcke also formerly worked at Allegiance Coal Ltd., as Chief Executive Officer & Director from 2022 to 2023, Mastermyne Group Ltd., as Executive Chairman from 2023 to 2024, Sphere Minerals Pty Ltd., as Managing Director in 2015, and Stanmore Resources Ltd., as General Manager-Development from 2020 to 2022.
Mr. Romcke received his undergraduate degree from the University of Wollongong.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2024-10-13 | 2,445,553 ( 0.79% ) | 431 102 $ | 2026-05-30 |
Jonathan Romcke active positions
| Companies | Position | Start |
|---|---|---|
The Institution of Engineers Australia
 The Institution of Engineers Australia Miscellaneous Commercial ServicesCommercial Services Operates as a national forum for the advancement of engineering and professional development of members | Corporate Officer/Principal | - |
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 | - |
Mine Managers Association of Australia, Inc.
 Mine Managers Association of Australia, Inc. Miscellaneous Commercial ServicesCommercial Services Operates mining associations | Corporate Officer/Principal | - |
Australian Institute of Co. Directors
 Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills | Corporate Officer/Principal | - |
Former positions of Jonathan Romcke
| Companies | Position | End |
|---|---|---|
| MASTERMYNE GROUP LIMITED | Chairman | 2024-10-13 |
| ALLE COAL | Chief Executive Officer | 2023-05-31 |
| STANMORE RESOURCES LIMITED | Chief Executive Officer | 2020-03-31 |
| SPHERE MINERALS LIMITED | Chief Executive Officer | 2015-11-27 |
Training of Jonathan Romcke
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
89
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Sphere Minerals Pty Ltd.
 Sphere Minerals Pty Ltd. SteelNon-Energy Minerals Explores and mines iron ores | Non-Energy Minerals |
University of Wollongong
 University of Wollongong 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 |
Australian Institute of Co. Directors
Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills | Commercial Services |
The Institution of Engineers Australia
The Institution of Engineers Australia Miscellaneous Commercial ServicesCommercial Services Operates as a national forum for the advancement of engineering and professional development of members | Commercial Services |
Metarock Group Ltd.
 Metarock Group Ltd. Engineering & ConstructionIndustrial Services Provides mining services to the Australian coal mining industry | Industrial Services |
Stanmore Resources Ltd.
 Stanmore Resources Ltd. CoalEnergy Minerals Identifies and develops export thermal, coking and coal exploration properties | Energy Minerals |
Mine Managers Association of Australia, Inc.
Mine Managers Association of Australia, Inc. Miscellaneous Commercial ServicesCommercial Services Operates mining associations | Commercial Services |
Allegiance Coal Ltd.
 Allegiance Coal Ltd. CoalEnergy Minerals Engages in the acquisition and exploration of coal tenements | Energy Minerals |
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