![Stéphane Julien Ifker](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>)
Stéphane Julien Ifker
Président chez
OPDENERGY HOLDING, S.A.
Fortune : 119 M $ au 31/07/2026
Profil
Stéphane Julien Ifker currently works at Opdenergy Holding SA, as Chairman from 2024, Connect Infrastructure Topco Ltd., as Director from 2018, Idex Industries SAS, as Board Member, Eurofiber Nederland BV, as Board Member, Antin Infrastructure Partners SAS, as Managing Partner & Co-Chief Investment Officer from 2026, Antin Infrastructure Partners SA, as Managing Partner & Co-Chief Investment Officer from 2026, Blue Elephant Energy GmbH, as Board Member, and Wildstone Capital Ltd., as Board Member.
Mr. Ifker also formerly worked at Andasol-1 Central Termosolar Uno SA, as Vice Chairman, Andasol-2 Central Termosolar Dos SA, as Vice Chairman, Rothschild & Co. SCA, as Managing Director from 2000 to 2008, Kellas CATS Ltd., as Director, Kellas Topco Ltd., as Director, CATS North Sea Ltd., as Director, Kellas Holdco Ltd., as Director, Kellas Parentco Ltd., as Director, Kellas North Sea 2 Ltd., as Director, Antin Connect Holdco 1 Ltd., as Director, Antin Connect Holdco 2 Ltd., as Director, Porterbrook Leasing Co. Ltd., as Board Member, Noven Sasu, as Member-Supervisory Board, Azienda Solare Italiana SpA, as Board Member, ATC France SAS, as Board Member, and Cityfibre Infrastructure Holdings Ltd., as Board Member.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
| 31/12/2025 | 11 812 499 ( 6,59 % ) | 119 M $ | 31/07/2026 |
Postes actifs de Stéphane Julien Ifker
| Sociétés | Poste | Début |
|---|---|---|
| OPDENERGY HOLDING, S.A. | Président | 26/03/2024 |
| ANTIN INFRASTRUCTURE PARTNERS | Directeur en chef des Investissements | 20/01/2026 |
Antin Infrastructure Partners SAS
 Antin Infrastructure Partners SAS Investment ManagersFinance Antin Infrastructure Partners invests in infrastructure companies located in Europe and North America. The firm focuses on energy and environment, digital, transport and social sectors. It participates in buyout transactions with an investment size of EUR 20 – 1000 million. The firm acquires majority interest. | Directeur en chef des Investissements | 01/02/2008 |
Connect Infrastructure Topco Ltd.
 Connect Infrastructure Topco Ltd. MiscellaneousMiscellaneous Functions as an investment holding company | Directeur/Membre du Conseil | 19/04/2018 |
Blue Elephant Energy GmbH
 Blue Elephant Energy GmbH Alternative Power GenerationUtilities Develops, acquires and operates solar & wind parks | Directeur/Membre du Conseil | - |
Wildstone Capital Ltd.
 Wildstone Capital Ltd. Advertising/Marketing ServicesCommercial Services Engages in outdoor media infrastructure business | Directeur/Membre du Conseil | - |
Eurofiber Nederland BV
 Eurofiber Nederland BV Major TelecommunicationsCommunications Provides fiber-optic telecommunication services | Directeur/Membre du Conseil | - |
Idex Industries SAS
 Idex Industries SAS Electric UtilitiesUtilities Provides power generating services | Directeur/Membre du Conseil | - |
Anciens postes connus de Stéphane Julien Ifker
| Sociétés | Poste | Fin |
|---|---|---|
| ROTHSCHILD & CO | Directeur/Membre du Conseil | 01/02/2008 |
| ░░░░░░░░░ ░░░░░░░ ░░░░░░░░░░ ░░░ ░░ | ░░░░░░░░░░ | - |
| ░░░░░ ░░░░ | ░░░░░░░░░░░░░░░░ ░░ ░░░░░░░ | - |
| ░░░░░░ ░░░░ ░░░░ | ░░░░░░░░░░░░░░░░ ░░ ░░░░░░░ | - |
| ░░░░░░ ░░░░░ ░░░░ | ░░░░░░░░░░░░░░░░ ░░ ░░░░░░░ | - |
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
74
Relations au 1er degré
24
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 24 |
|---|---|
Rothschild & Co. SCA
 Rothschild & Co. SCA Investment ManagersFinance Provides financial advisory services | Finance |
Porterbrook Leasing Co. Ltd.
 Porterbrook Leasing Co. Ltd. RailroadsTransportation Provides rail rolling stock leasing and asset management services | Transportation |
Idex Industries SAS
Idex Industries SAS Electric UtilitiesUtilities Provides power generating services | Utilities |
Eurofiber Nederland BV
Eurofiber Nederland BV Major TelecommunicationsCommunications Provides fiber-optic telecommunication services | Communications |
Pisto SASU
 Pisto SASU MiscellaneousMiscellaneous Operates as a holding company | Miscellaneous |
Antin Infrastructure Partners SAS
Antin Infrastructure Partners SAS Investment ManagersFinance Antin Infrastructure Partners invests in infrastructure companies located in Europe and North America. The firm focuses on energy and environment, digital, transport and social sectors. It participates in buyout transactions with an investment size of EUR 20 – 1000 million. The firm acquires majority interest. | Finance |
Opdenergy Holding SA
 Opdenergy Holding SA Engineering & ConstructionIndustrial Services Develops, constructs, operates, financing and maintains solar & wind projects | Industrial Services |
Andasol-1 Central Termosolar Uno SA
 Andasol-1 Central Termosolar Uno SA Electric UtilitiesUtilities Owns and operates solar power generation plants | Utilities |
Andasol-2 Central Termosolar Dos SA
 Andasol-2 Central Termosolar Dos SA Electric UtilitiesUtilities Owns and operates solar thermal power plants | Utilities |
Azienda Solare Italiana SpA
 Azienda Solare Italiana SpA Electric UtilitiesUtilities Operates as a solar photovoltaic investment platform | Utilities |
ATC France SAS
 ATC France SAS Specialty TelecommunicationsCommunications Specializes in telecommunications infrastructure hosting | Communications |
Cityfibre Infrastructure Holdings Ltd.
 Cityfibre Infrastructure Holdings Ltd. Major TelecommunicationsCommunications Operates as a holding company that provides full-fiber broadband network infrastructure services | Communications |
Kellas CATS Ltd.
 Kellas CATS Ltd. Oil & Gas ProductionEnergy Minerals Owns and operates gas pipelines | Energy Minerals |
Blue Elephant Energy GmbH
Blue Elephant Energy GmbH Alternative Power GenerationUtilities Develops, acquires and operates solar & wind parks | Utilities |
Kellas Topco Ltd.
 Kellas Topco Ltd. Chemicals: SpecialtyProcess Industries Operates as a holding company whose subsidiaries which transportation and processing of hydrocarbons | Process Industries |
CATS North Sea Ltd.
 CATS North Sea Ltd. Gas DistributorsUtilities Engages in transportation and processing of hydrocarbons | Utilities |
Kellas Holdco Ltd.
 Kellas Holdco Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Kellas Parentco Ltd.
 Kellas Parentco Ltd. Financial ConglomeratesFinance Function as an investment holding company | Finance |
Kellas North Sea 2 Ltd.
 Kellas North Sea 2 Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Wildstone Capital Ltd.
Wildstone Capital Ltd. Advertising/Marketing ServicesCommercial Services Engages in outdoor media infrastructure business | Commercial Services |
Antin Connect Holdco 1 Ltd.
 Antin Connect Holdco 1 Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Antin Connect Holdco 2 Ltd.
 Antin Connect Holdco 2 Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Connect Infrastructure Topco Ltd.
Connect Infrastructure Topco Ltd. MiscellaneousMiscellaneous Functions as an investment holding company | Miscellaneous |
Antin Infrastructure Partners SA
 Antin Infrastructure Partners SA Investment ManagersFinance Operates as a private equity firm | Finance |
