![Robert Middlemas](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>)
Net worth: 364 604 $ as of 31/05/2026
Robert Samuel Middlemas is currently the Chief Executive Officer & Secretary at Australian Silica Quartz Group Ltd., a Member at Australian Institute of Co. Directors, an Associate Member at The Institute of Chartered Accountants in Australia, and the Secretary at Ardea Resources Ltd. He previously worked as an Independent Non-Executive Director at Kore Potash Ltd., Chief Financial Officer & Secretary at RBR Group Ltd. (Australia), Secretary at Pacific Energy Ltd. and StreamPlay Studios Ltd., Secretary at Sphere Minerals Pty Ltd., Acting Chief Financial Officer & Secretary at Berkeley Energia Ltd., Chief Financial Officer & Secretary at Enterprise Metals Ltd. and Alto Metals Ltd., and Secretary at Manhattan Corp.
Ltd. He also served as the Chief Financial Officer & Secretary at Altech Batteries Ltd. and Secretary at Godolphin Resources Ltd. Mr. Middlemas holds an undergraduate degree from The University of Western Australia.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 30/06/2025 | 873,701 ( 0.4% ) | 364 604 $ | 31/05/2026 |
| Companies | Position | Start |
|---|---|---|
| AUSTRALIAN SILICA QUARTZ GROUP LTD. | Chief Executive Officer | 21/10/2015 |
| ARDEA RESOURCES LIMITED | Corporate Secretary | 20/10/2016 |
Australian Institute of Co. Directors
 Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills | Corporate Officer/Principal | - |
The Institute of Chartered Accountants in Australia | Corporate Officer/Principal | - |
| Companies | Position | End |
|---|---|---|
| GODOLPHIN RESOURCES LIMITED | Corporate Secretary | 21/01/2020 |
| ALTO METALS LIMITED | Director of Finance/CFO | 28/02/2018 |
| ENTERPRISE METALS LIMITED | Director of Finance/CFO | 28/02/2018 |
| RBR GROUP LIMITED | Director of Finance/CFO | 29/11/2016 |
| MANHATTAN GOLD CORPORATION LIMITED | Director of Finance/CFO | 28/09/2016 |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 16 |
|---|---|
Kore Potash Ltd.
 Kore Potash Ltd. Other Metals/MineralsNon-Energy Minerals Explores mines for potash and other minerals | Non-Energy Minerals |
RBR Group Ltd. (Australia)
 RBR Group Ltd. (Australia) Personnel ServicesCommercial Services Provides labor, training and professional services | Commercial Services |
Pacific Energy Ltd.
 Pacific Energy Ltd. Electric UtilitiesUtilities Produces sustainable distributed energy | Utilities |
StreamPlay Studios Ltd.
 StreamPlay Studios Ltd. Packaged SoftwareTechnology Services Develops and operates eSports tournament platform on smartphones, tablets and consoles | Technology Services |
Sphere Minerals Pty Ltd.
 Sphere Minerals Pty Ltd. SteelNon-Energy Minerals Explores and mines iron ores | Non-Energy Minerals |
Berkeley Energia Ltd.
 Berkeley Energia Ltd. Other Metals/MineralsNon-Energy Minerals Operates as a uranium exploration and development company | Non-Energy Minerals |
The University of Western Australia
 The University of Western Australia Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Australian Institute of Co. Directors
Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills | Commercial Services |
Australian Silica Quartz Group Ltd.
 Australian Silica Quartz Group Ltd. Other Metals/MineralsNon-Energy Minerals Engages in the acquisition, exploration and development of bauxite, alumina and aluminum ores | Non-Energy Minerals |
Enterprise Metals Ltd.
 Enterprise Metals Ltd. Precious MetalsNon-Energy Minerals Engages in the exploration of gold, uranium and iron ore tenements | Non-Energy Minerals |
Manhattan Corp. Ltd.
 Manhattan Corp. Ltd. Precious MetalsNon-Energy Minerals Explores for gold and uranium | Non-Energy Minerals |
The Institute of Chartered Accountants in Australia | |
Altech Batteries Ltd.
 Altech Batteries Ltd. Chemicals: SpecialtyProcess Industries Provides silica processing and mineral exploration services | Process Industries |
Alto Metals Ltd.
 Alto Metals Ltd. Precious MetalsNon-Energy Minerals Operates as a gold exploration company | Non-Energy Minerals |
Ardea Resources Ltd.
 Ardea Resources Ltd. Other Metals/MineralsNon-Energy Minerals Engages in the exploration and mining of gold and nickel | Non-Energy Minerals |
Godolphin Resources Ltd.
 Godolphin Resources Ltd. Precious MetalsNon-Energy Minerals Explores gold and copper | Non-Energy Minerals |
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