Stephen Birrell
Net worth: 58 573 $ as of 2026-05-30
Net worth: 58 573 $ as of 2026-05-30
Stephen James Birrell is the founder of Graniterock Co. Current jobs include Chief Executive Officer at Nativo Resources Plc since 2023, Executive Director at Ossian Energy Ltd., and membership in various organizations such as the Society of Petroleum Engineers, Inc., American Association of Petroleum Geologists, Society of Exploration Geophysicists, Petroleum Exploration Society of Great Britain, European Association of Geoscientists & Engineers, The Association of International Petroleum Negotiators, and Vice President & General Manager at Sterling Resources Netherlands BV.
Former jobs include Non-Executive Director at Ascent Resources Plc from 2020 to 2023, Independent Non-Executive Director at Live Co. Group Plc from 2021 to 2024, Chief Financial Officer, Secretary & Director at Rision Ltd. from 2011 to 2012, Independent Non-Executive Director at Iconic Labs plc in 2021, Independent Non-Executive Director at Coro Energy Plc from 2022 to 2024, and Vice President-Romanian Operations at One-Dyas UK Ltd. Education includes an undergraduate degree from the University of Strathclyde, conferred in 1985.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-02-18 | 12,076,996 ( 1.2% ) | 58 573 $ | 2026-05-30 |
| Companies | Position | Start |
|---|---|---|
| NATIVO RESOURCES PLC | Chief Executive Officer | 2023-11-13 |
Ossian Energy Ltd. | Director/Board Member | - |
Sterling Resources Netherlands BV | Corporate Officer/Principal | - |
Petroleum Exploration Society of Great Britain
Petroleum Exploration Society of Great Britain Miscellaneous Commercial ServicesCommercial Services Operates as a membership organization in the scientific and technical aspects of subsurface energy & related technologies | Corporate Officer/Principal | 2011-01-18 |
European Association of Geoscientists & Engineers
European Association of Geoscientists & Engineers Miscellaneous Commercial ServicesCommercial Services Provides a global network of commercial and academic professionals | Corporate Officer/Principal | 2011-01-18 |
Society of Petroleum Engineers, Inc.
Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services | Corporate Officer/Principal | 2011-01-18 |
Society of Exploration Geophysicists
Society of Exploration Geophysicists Miscellaneous Commercial ServicesCommercial Services Operates as association of exploration geophysicists | Corporate Officer/Principal | 2011-01-18 |
American Association of Petroleum Geologists
American Association of Petroleum Geologists Miscellaneous Commercial ServicesCommercial Services Operates as a technical and professional organizations for energy leaders | Corporate Officer/Principal | 2011-01-18 |
The Association of International Petroleum Negotiators
The Association of International Petroleum Negotiators The Association of International Petroleum Negotiators is a company based in Houston, TX. | Corporate Officer/Principal | 2011-01-18 |
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Active
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Listed companies
Private companies
1st degree connections
1st degree companies
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Female
Members of the board
Executives
| Private companies | 17 |
|---|---|
Ascent Resources Plc
Ascent Resources Plc Oil & Gas ProductionEnergy Minerals Engages in oil and gas exploration and production activities | Energy Minerals |
Echo Energy Plc
Echo Energy Plc Oil & Gas ProductionEnergy Minerals Produces natural gas liquids and oil | Energy Minerals |
Rision Ltd.
Rision Ltd. Packaged SoftwareTechnology Services Develops and operates cloud-based human resource software for organisations that manage contingent workers and employees | Technology Services |
University of Strathclyde
University of Strathclyde Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Graniterock Co.
Graniterock Co. Construction MaterialsNon-Energy Minerals Provides basic material for construction | Non-Energy Minerals |
Society of Petroleum Engineers, Inc.
Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services | Industrial Services |
American Association of Petroleum Geologists
American Association of Petroleum Geologists Miscellaneous Commercial ServicesCommercial Services Operates as a technical and professional organizations for energy leaders | Commercial Services |
Society of Exploration Geophysicists
Society of Exploration Geophysicists Miscellaneous Commercial ServicesCommercial Services Operates as association of exploration geophysicists | Commercial Services |
Petroleum Exploration Society of Great Britain
Petroleum Exploration Society of Great Britain Miscellaneous Commercial ServicesCommercial Services Operates as a membership organization in the scientific and technical aspects of subsurface energy & related technologies | Commercial Services |
European Association of Geoscientists & Engineers
European Association of Geoscientists & Engineers Miscellaneous Commercial ServicesCommercial Services Provides a global network of commercial and academic professionals | Commercial Services |
One-Dyas UK Ltd.
One-Dyas UK Ltd. Integrated OilEnergy Minerals Explores for oil and natural gas | Energy Minerals |
The Association of International Petroleum Negotiators
The Association of International Petroleum Negotiators The Association of International Petroleum Negotiators is a company based in Houston, TX. | |
Sterling Resources Netherlands BV | |
Iconic Labs plc
Iconic Labs plc Advertising/Marketing ServicesCommercial Services Provides online marketing services | Commercial Services |
Coro Energy Plc
Coro Energy Plc Oil & Gas ProductionEnergy Minerals Engages in exploration of natural gas | Energy Minerals |
Live Co. Group Plc
Live Co. Group Plc Movies/EntertainmentConsumer Services Operates as a live events, entertainment and sports shows company | Consumer Services |
Ossian Energy Ltd. |
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