Carl Dumbrell

Chief Executive Officer at HERENCIA RESOURCES PLC

Net worth: 2 M $ as of 31/05/2026

50 year

90 connections

Energy Minerals

Non-Energy Minerals

Commercial Services

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%	30/06/2025	21,953,686 ( 2.25% )	2 M $	31/05/2026
QUANTUM HELIUM LIMITED 0%	20/04/2026	1,812,161 ( 0% )	779 $	31/05/2026

Carl Dumbrell active positions

Companies	Position	Start
EMPEROR ENERGY LIMITED	Director/Board Member	03/07/2015
HERENCIA RESOURCES PLC	Chief Executive Officer	30/05/2018
QUANTUM HELIUM LIMITED	Chairman	26/02/2025
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	01/07/2022

All active positions of Carl Dumbrell

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	-

See the detail of Carl Dumbrell's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Carl Dumbrell's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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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