![Carl Dumbrell](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>)
Carl Dumbrell
Chief Executive Officer at
HERENCIA RESOURCES PLC
Net worth: 2 M $ as of 2026-09-29
Profile
Mr. Carl F.
Dumbrell is an Executive Chairman at Quantum Helium Ltd., a President at ST MICHAEL'S GOLF CLUB LTD, a Chairman at The Kennedy Foundation, a Chief Executive Officer & Executive Director at Herencia Resources Plc, a Secretary & Non-Executive Director at Emperor Energy Ltd., a Member at Australia Institute of Co. Directors and a Partner at DFK Laurence Varnay Auditors Pty Ltd. He is on the Board of Directors at Herencia Resources Plc, Emperor Energy Ltd. and Shelf Oil Pty Ltd. Mr. Dumbrell was previously employed as a Partner by Forvis Mazars LLP (United Kingdom).
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
EMPEROR ENERGY LTD 2.17% | 2025-06-29 | 21,953,686 ( 2.17% ) | 2 M $ | 2026-09-29 |
| 2026-09-28 | 3,428,381 ( 0.69% ) | 75 150 $ | 2026-09-29 |
Carl Dumbrell active positions
| Companies | Position | Start |
|---|---|---|
| EMPEROR ENERGY LIMITED | Director/Board Member | 2015-07-02 |
| HERENCIA RESOURCES PLC | Chief Executive Officer | 2018-05-29 |
| QUANTUM HELIUM LIMITED | Chairman | 2025-02-25 |
DFK Laurence Varnay | Corporate Officer/Principal | - |
Australia Institute of Co. Directors | Corporate Officer/Principal | - |
Shelf Oil Pty Ltd.
 Shelf Oil Pty Ltd. Oil & Gas ProductionEnergy Minerals Engages in the exploration for oil and gas | Director/Board Member | - |
The Kennedy Foundation | Chairman | 2022-06-30 |
Former positions of Carl Dumbrell
| Companies | Position | End |
|---|---|---|
Mazars LLP
 Mazars LLP Miscellaneous Commercial ServicesCommercial Services Provides auditing, tax preparation and financial advice services | Corporate Officer/Principal | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
81
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Herencia Resources Plc
 Herencia Resources Plc Other Metals/MineralsNon-Energy Minerals Explores and develops mineral resources | Non-Energy Minerals |
Mazars LLP
Mazars LLP Miscellaneous Commercial ServicesCommercial Services Provides auditing, tax preparation and financial advice services | Commercial Services |
Emperor Energy Ltd.
 Emperor Energy Ltd. Oil & Gas ProductionEnergy Minerals Engages in the exploration for oil and gas | Energy Minerals |
The Kennedy Foundation | |
Australia Institute of Co. Directors | |
Shelf Oil Pty Ltd.
Shelf Oil Pty Ltd. Oil & Gas ProductionEnergy Minerals Engages in the exploration for oil and gas | Energy Minerals |
Mosman Oil & Gas Ltd.
 Mosman Oil & Gas Ltd. Integrated OilEnergy Minerals Explores oil and gas | Energy Minerals |
DFK Laurence Varnay |
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