![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 2026-05-30
Profile
Carl Francis Dumbrell is currently Chief Executive Officer & Executive Director at Herencia Resources Plc since 2018, Chairman at The Kennedy Foundation since 2022, Executive Chairman at Quantum Helium Ltd. starting in 2025, Secretary & Non-Executive Director at Emperor Energy Ltd. since 2019, Director at Shelf Oil Pty Ltd., President at ST MICHAEL'S GOLF CLUB LTD since 2022, Member at Australia Institute of Co. Directors, and Partner at DFK Laurence Varnay Auditors Pty Ltd. Formerly, Mr. Dumbrell was a Partner at Mazars LLP.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
EMPEROR ENERGY LTD 2.25% | 2025-06-29 | 21,953,686 ( 2.25% ) | 2 M $ | 2026-05-30 |
| 2026-04-19 | 181,216,120 ( 0.36% ) | 77 923 $ | 2026-05-30 |
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
90
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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