Didier Holleaux

Chairman at

Elengy SA

Utilities

Consumer Services

Energy Minerals

Profile

Didier Holleaux is currently Chairman at Elengy SA, Director at ENGIE E&P International SA, Director at Engie China Investment Co. SAS, and President of Eurogas since 2021.
Former positions include Director at Gaztransport & Technigaz SA, Director at NaTran SA, Director at Ithaca (NE) E&P Ltd., and EVP-Supervising Elengy Business Unit at ENGIE SA from 2019 to 2025.
Education includes undergraduate degrees from Ecole Polytechnique and École Nationale Supérieure des Mines de Paris.

Didier Holleaux active positions

Companies	Position	Start
ENGIE E&P International SA ENGIE E&P International SA Oil & Gas ProductionEnergy Minerals Owns and operates oil and gas production services	Director/Board Member	-
Elengy SA Elengy SA Gas DistributorsUtilities Designs, develops and operates liquefied natural gas terminals	Chairman	-
Engie China Investment Co. Sas Engie China Investment Co. Sas Financial ConglomeratesFinance Functions as an investment holding company	Director/Board Member	-
Eurogas Eurogas Miscellaneous Commercial ServicesCommercial Services Operates as an advocacy association for gas companies and provides carbon neutrality services	President	01/06/2021

All active positions of Didier Holleaux

Former positions of Didier Holleaux

Companies	Position	End
ENGIE	Corporate Officer/Principal	01/07/2025
Neptune E&P UK Ltd. Neptune E&P UK Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas appraisal, development and production services	Director/Board Member	01/08/2015
GTT (GAZTRANSPORT	Director/Board Member	-
GRTgaz SA GRTgaz SA Gas DistributorsUtilities Engages in distribution and transportation of natural gas	Director/Board Member	-

See the detail of Didier Holleaux's experience

Training of Didier Holleaux

Experiences
Positions held

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Inactive

Listed companies

Private companies

See the detail of Didier Holleaux's experience

Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	10
Ecole Polytechnique Ecole Polytechnique Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
École Nationale Supérieure des Mines de Paris École Nationale Supérieure des Mines de Paris Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
ENGIE SA ENGIE SA Electric UtilitiesUtilities Produces and distributes electricity & natural gas	Utilities
Gaztransport & Technigaz SA Gaztransport & Technigaz SA Trucks/Construction/Farm MachineryProducer Manufacturing Engages in design and development of cryogenic membrane containment systems for use in the transport & storage of liquefied gases and electrolyzes for the production of green hydrogen	Producer Manufacturing
GRTgaz SA GRTgaz SA Gas DistributorsUtilities Engages in distribution and transportation of natural gas	Utilities
Eurogas Eurogas Miscellaneous Commercial ServicesCommercial Services Operates as an advocacy association for gas companies and provides carbon neutrality services	Commercial Services
Elengy SA Elengy SA Gas DistributorsUtilities Designs, develops and operates liquefied natural gas terminals	Utilities
Neptune E&P UK Ltd. Neptune E&P UK Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas appraisal, development and production services	Energy Minerals
ENGIE E&P International SA ENGIE E&P International SA Oil & Gas ProductionEnergy Minerals Owns and operates oil and gas production services	Energy Minerals
Engie China Investment Co. Sas Engie China Investment Co. Sas Financial ConglomeratesFinance Functions as an investment holding company	Finance