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Secretary General

Lucie Boost     

Secretary General, Gas Infrastructure Europe

As Head of Public Affairs for Europe at Air Products, Lucie Boost led a team responsible for European and national energy affairs, focusing on key markets such as the UK, the Netherlands, Germany, and Spain. Her expertise encompasses hydrogen, the integrated energy market, and CCUS, aligning perfectly with GIE’s strategic priorities.

Prior to joining Air Products in January 2023, Lucie spent 13 years at Equinor, where she held various leadership positions in natural gas sales, regulatory affairs, and public affairs. During her tenure at Equinor, she gained extensive experience in gas regulation, hydrogen, and CCS, representing the company in esteemed organisations such as Eurogas, the European Federation of Energy Traders, the International Association of Oil & Gas Producers, the Zero Emissions Platform, and Hydrogen Europe.

Lucie holds a Licence degree in Political Science and International Relations from the Vrije Universiteit Brussels and is proficient in Dutch, English, and French.

lucie.boost@gie.eu

Click on the photos below to check out our team’s biographies.
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Tobias Bühnen
Policy Manager

Tobias Bühnen

Policy Manager


Since February 2021, Tobias Bühnen has been working as a Policy Advisor in the Hydrogen Area within GIE, focusing on the current and future role of gas infrastructure operators in contributing to the REPower EU and EU Green Deal targets. In addition, he also works on topics related to Sector-Coupling and CCUS.

Before joining GIE, he worked on European affairs within the Regulatory & Public Affairs Department of the German Gas Transmission System Operator ONTRAS.

Tobias holds a Master’s degree in European Studies from Maastricht University and a Bachelor’s degree in Economics from the University of Cologne.


tobias.buehnen@gie.eu

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Alexis Kontoghiannis
Policy Advisor

Alexis Kontoghiannis

Policy Advisor


Since October 2024, Alexis Kontoghiannis has been working as a Policy Advisor for the Gas LNG Europe column (GLE) within GIE. His work focuses on the current and future role of LNG terminal infrastructure operators in contributing to the REPower EU and EU Green Deal targets. He also works on topics related to the European Hydrogen Backbone (EHB).
Before joining GIE, he worked in large chemical companies, then on energy and sustainability issues within the European Commission and in a consultancy.
Alexis holds an Executive Master’s degree in European Studies from the College of Europe, a Master’s in Environmental Studies from Sciences Po Paris, and a Chemical Engineering degree from the National Chemistry Graduate School of Montpellier.


alexis.kontoghiannis@gie.eu

Alexis Kontoghiannis
@akontoghiannis

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Marx Janssens
Policy Advisor

Marx Janssens

Policy Advisor


Since January 2025, Marx Janssens has been serving as a Policy Advisor at GIE, in charge of the CCUS area. In this role, he leads carbon capture, utilization, and storage (CCUS) initiatives to support the EU Green Deal and REPowerEU objectives, with a focus on policy advocacy and stakeholder collaboration.

Before joining GIE, Marx worked as a Project Manager in the Corporate Strategy & Business Development department at the Dutch Gas Transmission System Operator, Gasunie, where he was involved in cross-border CCS infrastructure projects. Earlier, as a Project Manager in the Corporate Finance department, he led the development of a novel financial model to quantify and monetize the societal and environmental impacts of large-capital investments, supporting strategic decision-making at Gasunie.

Marx holds a Master’s degree in Economics from the London School of Economics (LSE) and graduated with First-Class Honours in Economics from University College London (UCL).


marx.janssens@gie.eu

Marx Janssens

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Bogdan Simion
Data Analytics Manager

Bogdan Simion

Data Analytics Manager


Bogdan has more than 15 years of experience in the gas, oil and power industry.

He has been working for GIE since 2018, responsible for Data Analytics, Gas Transmission Europe and System Operation and Development Area, covering subjects like Security of Supply, Methane Emissions Management, Transparency and Digitalisation.

Backed by a Bachelor of Science (BS) in Physics from Iasi University and an Energy MBA from the Bucharest University of Economic Studies, Bogdan has previously worked for OMV Petrom as Business Developer and Project Manager in the Gas and Power Division, Gas Logistics, as well as Project Manager in M&A department.


bogdan.simion@gie.eu

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Carlos Buatas
Communications Manager

Carlos Buatas

Communications Manager


Since July 2025, Carlos has been working as Communications Manager at GIE.

Carlos has a decade of experience in corporate communications, policy communications and crisis communications, having worked across a wide range of industries in leading consultancies and at a trade association in the energy sector.


carlos.buatas@gie.eu

Carlos Buatas

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David Defour
Chief Technology Officer

David Defour

Chief Technology Officer


As CTO, David is in charge of GIE’s REMIT reporting by gas infrastructure operators towards ACER, the European Union Agency for the Cooperation of Energy Regulators. He also manages GIE’s Transparency Platforms and Inside Information Platform for Urgent Market Messaging (UMM). Covering both regulatory and technical aspects, this is further expanded with several data usage publications such as gas infrastructure maps and data reporting tools which are well recognised within the industry.

David has been with GIE since its inception in 2001. Prior to his activities within the gas infrastructure industry, he has worked for Unilever (1996-2000) as well as the maritime sector (Cast Terminal Europe, Zeebrugge and Ghent Port Authority) and several other dedicated IT projects.

David holds a Master in applied economics with international business specialization (University of Leuven, VLEKHO Business School, Campus Brussels) since 1994 and a PostGraduate in Maritime Sciences since 1995 (University of Ghent, Law department), focussed on port operations.


david.defour@gie.eu

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Malika Khalidi
Events & Finance Manager

Malika Khalidi

Events  & Finance Manager


Biography expected.


malika.khalidi@gie.eu

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Mahtab Jalali Moghaddam
Communications Officer

Mahtab Jalali Moghaddam

Communications Officer


Biography expected.


mahtab.jalali@gie.eu

Mahtab Jalali Moghaddam

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Marta Conforti
Assistant

Marta Conforti

GIE Assistant


Since February 2025, Marta Conforti has been working as an assistant for GIE.

She holds a Master’s degree in Global Security and Strategy from the Brussels School of Governance and a Bachelor’s degree in Business Administration from the University of KU Leuven.


marta.conforti@gie.eu

Marta Conforti