Discover our guests & speakers

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Marie-Claire Aoun

Director of Prospective and Institutional Relations at Teréga and Chair of Gas for Climate


Marie-Claire Aoun is the Director of Prospective and Institutional Relations of Teréga, a transport and storage gas operator. She is also the Chair of Gas for Climate. Holding a PhD in Economics from Paris Dauphine University, she was a policy officer at the French energy regulatory authority (CRE) during 2008 and 2014 and the Director of the Center for Energy and Climate at the French Institute for International Relations (Ifri) between 2014 and 2017. She is also a lecturer at Dauphine University and Sciences Po Paris.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

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Bart Biebuyck

Executive Director


Bart Biebuyck is since May 2016 the Executive Director of the Clean Hydrogen Joint Undertaking (Clean Hydrogen JU), a public-private partnership aiming at facilitating the deployment of fuel cells and hydrogen technologies in Europe. Under his leadership, a strong emphasis on cooperation with cities and regions led to the creation of the Hydrogen Valleys concept and the formation of the European Hydrogen Valleys partnership.

Plenary n°03 : “Scaling up to become future hydrogen leaders”

Luc Bodineau/ ADEME

Luc Bodineau

Hydrogen Programme Coordinator


Luc Bodineau has been coordinating ADEME’s hydrogen-related activities for more than 10 years, within the Enterprise and Industrial Transitions Directorate: innovation, deployment, sector coordination, and expertise for government departments. Previously, he coordinated the implementation of the energy saving certificates (CEE) in the building and industry sectors. Luc started his career in the field of bioenergy and biofuels. He is a graduate of the Ecole Centrale de Nantes.

Plenary n°02 : «Let’s preserve local territorial ecosystems»

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Damien Buet

Faurecia Clean Mobility – Zero Emission Division Vice President


Damien Buet is Zero Emission Division Vice-President at Faurecia Clean Mobility. After starting his career with Michelin in operations, he joined McKinsey where he was a senior manager in the Industry practice. He joined FCI in 2009, then under LBO by Bain Capital, and participated in the turnaround of the company in Marketing, Strategy and Sales functions. After the takeover of FCI by Delphi (now Aptiv) in 2012, he became Business Unit Director. He joined Faurecia Clean Mobility in 2016 as Vice-President of Global Sales & Programs, then lead the Emerging Markets Division for 3 years until taking his current position in April 2021. Damien Buet has an Engineering degree from Mines Paris Tech, with specialization in management and finance.

Plenary n°03 : «Scaling up to become future hydrogen leaders»

Hoang Bui

Hoang Bui

Coordinator of the french national strategies “decarbonised hydrogen” and “decarbonisation of industry”

General secretariat for Investment -Prime Minister 

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Gauthier Corbat

Wood merchant

Groupe Corbat

Born in 1985 in the Swiss Jura. Studied literature and international relations. Graduated from the College of Bruges in 2013. Scientific collaborator at the Department of Foreign Affairs of the Swiss Confederation between 2014 and 2016. From 2016, in the Management of the Corbat Group, wood industry. Co-Director since 2018. At the same time, elected deputy of the Republic and Canton of Jura in 2020. Named in 2022 by the newspaper Le Temps, among the 100 personalities “who make the French-speaking Switzerland”. Married, father of a 2 year old girl.

Plenary n°01: «Massive local production and/or importation of green hydrogen»



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Christian de Perthuis


President of the Advisory Board of the EDEN.i Network of the University of Franche-Comté

An economist, Christian de Perthuis headed the Climate Mission at Caisse des Dépôts, then founded the Climate Chair at Paris Dauphine-PSL University, where he taught for 20 years. His work on carbon pricing is a benchmark.

Three of his books have been written or translated in English : Pricing Carbon, whit Denny Ellerman and Frank Convery (Cambridge University Press, 2009), Economic Choices in a Warming World (Cambridge University Press, 2011), Green Growth, with Pierre-André Jouvet (Columbia University Press, 2014).

Opening plenary


Haffner Photo Page Guest

Philippe Haffner

A graduate of Toulouse Business School, Philippe Haffner has 30 years of experience in general management and business development in the energy and industry sectors. He started his career as Business Development Director at Steel Technologies, then at Kadant Group for 10 years. In 2009, he joined Haffner Energy (formerly Soten) as General Manager, a company he co-founded with his brother Marc, which is specialized in the construction and engineering of biomass cogeneration plants. Aware of the potential of hydrogen as a major vector of the energy transition, he decided to reposition the company’s activity in the production of renewable hydrogen in 2009. Marc and Philippe’s vision of the market combined with their desire to develop clean and sustainable energy solutions gave birth to the Hynoca® technology in 2015, protected by more than 80 international patents. Philippe Haffner was appointed President of Haffner Energy in 2015.

Plenary n°04 : “Industry: a major enabler for hydrogen production” 

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Roland Hequet

VP Hydrogen Strategy & Origination

John Cockerill

Roland Hequet is Vice-President Strategy & Origination of John Cockerill Hydrogen. After getting a Master’s degree in engineering and general management, Roland has taken several managerial positions in large multi-national companies. He has spent his career in Europe, the USA and other parts of the world.With John Cockerill, he has been in charge of several of the group companies in France, Germany, USA, Russia and India.Since 2018, he has been developing the hydrogen activity of John Cockerill worldwide.

Plenary n°04 : “Industry: a major enabler for hydrogen production” 

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François Hoche

Sales Director – Industry


François Hoche is an engineer who made a career in industrial gases, first at Air Liquide, then at Linde, in functions as diverse as commissioning and start-up, investment project implementation, on-site sales, production, etc. He has lived in Germany, Spain, Brazil, the Netherlands and France. In May 2021, he joined Lhyfe as a Sales Director for Industry, convinced that decarbonization through green hydrogen will be a powerful tool in the fight against global warming effects.

Plenary n°04 : « Industry: a major enabler for hydrogen production »

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David Holderbach



Born in 1971 in Valence (France), David Holderbach graduated in aerospace engineering from Arizona State University. He started his career at Renault in 1996 as Thermal Comfort Manager before joining Auto Chassis International (ACI, Renault Group) in 2002 as a Project Engineer, then as Engineering Manager at ACI Japan. In 2006, he joined Nissan as Program Manager on the D platform, then returned to Renault Group in 2009 where he led the cross-functional team in charge of Product synergies. In 2010, David was appointed Segment Chief Product Specialist of the Global Access range. Three years later, he became America Program Director, within the Americas Region, based in Brazil. In September 2018, he returned to Europe as After Sales Europe Project Director and then became After-Sales Director of Renault Benelux where he completed the merger of After-Sales and Quality of Service. 

Since June 3, 2021, David is Chairman of the HYVIA joint venture created between Renault Group and Plug Power, which leads the way towards a complete ecosystem of technologies and services for hydrogen mobility. 

Plenary n°03 : «Scaling up to become future hydrogen leaders»

Kerian Jarry

Kerian Jarry

Chief Marketing Officer et Chief Sustainability Officer


Portrait of Thierry Lepercq

Thierry Lepercq

Initiator of the

HyDeal platform

Thierry Lepercq (58) is a serial entrepreneur in energy. He recently founded DH2 Energy, a pioneer of mass-scale green hydrogen to compete with fossil fuels, which is developing a 10-GW project portfolio in Southwest Europe. He is the initiator of the HyDeal platform, which brings together 30 players across the value chain, aiming at delivering 1.5 €/kg green hydrogen before 2030. He is the author of Hydrogen is the New Oil and Mégavagues.


Thierry Lepercq was EVP Technology and Innovation at Engie from 2016 to 2018. From 2006 to 2016, he was the president of Solairedirect, a global pioneer of competitive solar power, which has developed and built 3 GW of capacity on four continents at prices as low as 20 $/MWh.


A graduate from HEC Paris, Thierry Lepercq started his career in technology financing.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

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Sébastien Le Pollès



After creating two companies in the storage industry, Sébastien Le Pollès founded FlexFuel Energy Development (FFED) in 2009, a French innovative SME in the field of green energy, specialising in systems for combustion engines to reduce fuel consumption and polluting emissions.
From the end of 2016 to December 2020, it is investing in an R&D programme for the Direction Générale de l’Armement (DGA) with the Pôle Mer Méditerranée to develop and optimise a mobile cleaning and maintenance unit for high-powered engines on civil and military ships.
A pioneer and leader in Superethanol-E85 conversion boxes, Sébastien Le Pollès shared his expertise and worked towards the publication at the end of 2017 by the Ministry of Ecological Transition and Solidarity and the Ministry of the Interior of a decree approving conversion boxes and their installation.
As the European leader in ecological engine pollution control, it has been expanding internationally since 2017. It has opened subsidiaries in Belgium, the United Kingdom, Italy, Spain and Portugal.
In 2020 and 2021, FFED was included by the French government in the French Tech 120 scheme.
The partnership with the DGA allowed him to develop a disruptive innovation of AEM – 0 Gap (Anion Exchange Membrane) now deployed in Gen-Hy, a spin-off of FFED, which he founded in 2019. Sébastien Le Pollès is now diversifying into the manufacture of electrolysers for the production of green hydrogen, incorporating his AEM technology. He intends to contribute to the development of a 100% French hydrogen technology sector.

Plenary n°02 : «Let’s preserve local territorial ecosystems»

Lucas site

Jean-Baptiste Lucas

Chief Executive Officer


Jean-Baptiste LUCAS was appointed Chief Executive Officer of McPhy in October 2021. He was since January 2019 the Managing Director of IPS B.V, a Dutch packaging technology group. Between 2011 and July 2017, Mr. Lucas spent 6.5 years in Bahrain, working for industrial companies owned by the kingdom’s sovereign wealth fund as Managing Director of GARMCO. Prior to that, Mr. Lucas spent 13 years with the Pechiney Group, now Alcan, where he was General Manager in Switzerland.

Plenary n°03 : «Scaling up to become future hydrogen leaders»


Crescent Marault

President of Communauté de l’Auxerrois and Mayor of Auxerre


Crescent Marault, 52, was first mayor of a residential city in the Auxerrois region before being elected mayor of Auxerre and President of Communauté de  l’Auxerrois in 2020. He believes that economic development and energy transition, particularly through hydrogen, can go hand in hand. His strategy is based on the creation of public-private partnerships in order to make the delegates bear part of the investment. Over the next ten years, several hundred million euros will be invested by the local authority in the region.

Plenary n°02 : «Let’s preserve local territorial ecosystems»

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Pierre-Germain Marlier

Investment Vice-President


Pierre-Germain Marlier is a co-founder of FiveTHydrogen and Investment Vice-President at Hy24, a joint-venture between FiveTHydrogen and Ardian.

He brings 8 years of business development experience at Air Liquide. In 2013, he worked in marketing of reliquefaction systems for LNG carriers, after which he moved to Houston,TX to work on M&A opportunities. 2 years after, PGM developed a biogas supply portfolio for bus fleets in the UK. PGM then moved to California to lead the development of Hydrogen supply chain and refueling infrastructure, including a $150M hydrogen liquefaction plant. PGM was co-inventor on a pending patent about the use of renewable electricity in hydrogen liquefaction. In 2019, PGM joined Air Liquide investor relations team, acting as hydrogen ambassador for financial markets. In 2021, he left Air Liquide to co-found FiveTHydrogen, which now manages a €2bn infrastructure fund dedicated to the hydrogen economy as “Hy24”, in Joint-Venture with Ardian. Pierre-Germain Marlier holds a MSc in Industrial Engineering from Albi’s School of Mines and a business management degree from ESSEC.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

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Cornelius Matthes

Cornelius is a well-respected leader and investor in the renewable energy industry and built several successful clean energy businesses and start-ups within Middle East and Africa. He has extensive board level experience from 10 years in Deutsche Bank (among others, youngest board member in Deutsche Bank Italy Group) and several leading renewable energy organisations and associations via pro bono work as well as different startup companies.

Plenary n°01: «Massive local production and/or importation of green hydrogen»


Mikaa Mered

Analyst and lecturer on hydrogen geopolitics

Sciences Po / HEC Paris

On Twitter

Mikaa MERED is a policy analyst, award-winning author and lecturer specialized in the geopolitics of hydrogen, at the intersection of space, place, security, trade flows and neo-institutionalist theory. He lectures at Sciences Po, HEC Paris, the French War College and Mohammed VI Polytechnic University (Morocco). He is a member of the steering committee of the French Hydrogen Task Force and has been named “Green Hydrogen Ambassador” by the International Association for Hydrogen Energy (IAHE).

Plenary n°01: «Massive local production and/or importation of green hydrogen»



Edouard Oberthur

Director, Energy & Business Development Europe

Edouard Oberthur joined Group Plug as Energy and business development Director EMEA in August 2022. Graduated of the Institut Agronomique Paris-Grignon (INA PG) and Institut Français du Pétrole (IFP EN) in 2008, Edouard began his career in the energy at BNP Paribas as an Analyst for the Export and Project Finance functions of Corporate and Investment Banking, then joined the group of large French electricity consumers Exeltium in 2008 to negotiate contracts with EDF, industrial customers, public authorities and the European Commission. As Chief Operating Officer until 2015, he successfully renegotiated contracts and refinanced Exeltium’s debt.

At the end of 2015, Edouard joined the ArcelorMittal group, world leader in steel production, as Head of long term contracts, Power and natural gas, to structure long term contracts for the group’s purchases worldwide (valuation of steel gases, natural gas, electricity produced by gas or renewable production assets).

In 2020, he joined the Qair group as Global Energy and PPA Manager, in charge of the valuation of electricity production on the market and the sourcing of electricity for the Qair group’s Hydrogen facilities. Since August 2022, he has been in charge of the development of high power hydrogen production assets in Europe for the Plug group.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

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Cécile Prévieu

Executive Vice-President in charge of Energy Solutions activities


Graduate of the Ecole Polytechnique, the Ecole Nationale des Ponts et Chaussées and the Institut d’Etudes Politiques de Paris, she began her career in the French government. She joined ENGIE in 2010, where she held positions of responsibility in the Group’s Infrastructure Division, before being appointed Director of Asset Management at Storengy and becoming Managing Director in 2015. She is now leading the Energy Solutions activities.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

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Vincent Quéau

Public Affairs Director


14 years of experience in management positions in different business units of the VINCI group, including 8 years as director of a subsidiary in the United Arab Emirates.

Professional thesis on the role of public policies in the scaling up of the renewable hydrogen industry, completed as part of a Master degree at HEC.

Currently Director of Public Affairs at Haffner Energy.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

Samir Rachidi

Samir Rachidi

Acting General Manager and Chief Scientific Officer


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Alina Richter

Project Manager Hydrogen & Fuel Cell Technologies

e-mobil BW GmbH

Alina Richter studied aerospace engineering at the University of Stuttgart with a focus on materials, manufacturing processes and space applications. During her studies, she gained experience at STIHL and the German Aerospace Center (DLR). Since 2021, she has been responsible for coordinating and initiating projects in the field of hydrogen and fuel cell technology, including at the European level, at the Baden-Württemberg state agency for new mobility solutions and automotive, e-mobil BW.

Plenary n°02 : «Let’s preserve local territorial ecosystems»

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Ghislain Robert




Raphaël Schoentgen

Founder and CEO

Hydrogen Advisors

Raphaël is an advisor (in 2018 created Hydrogen Advisors) and investor (in 2020 started providing growth equity to developing companies) in hydrogen. As former Chairman of Hydrogen Europe, CTO of ENGIE and former advisor to the French minister of energy and industry, he pushes for the development of this new decarbonized energy and helps people active in the field with his network. Since 2021 he is also a senior advisor on hydrogen to Marguerite, one of the largest infrastructure funds in Europe, backed by the EIB Bank and national banks, like CDC in France and KFW in Germany.

Plenary n°02 : «Let’s preserve local territorial ecosystems»

Screnci site

Adamo Screnci

Holding a Master’s degree in Engineering, Process, Electrochemistry and Energy, Adamo Screnci started his career at ELF Atochem and Siegwerk and accumulated a 9-year experience. In 2000, he joined Air Liquide and became VP of Sales and Marketing. In 2009, he co-founded McPhy Energy and contributed to its strong international development. In 2017, he built the Green H2 & Green Chemical business line at Thyssenkrupp. In 2020, he joined Total as VP of the newly created Clean Hydrogen Business Unit. In September 2021, he started as Deputy CEO of Hydrogen Refueling Solutions listed leading company in hydrogen mobility. Adamo has been Chair of the working group for mobility at Hydrogen Europe since October 2021.

Plenary n°02 : «Let’s preserve local territorial ecosystems»


Luke Sperrin

CTO and Director

H2GO Power

Luke co-founded H2GO in 2014 as a spin out from the University of Cambridge. As the CTO, Luke oversees the development of H2GO’s low pressure material-based hydrogen storage hardware, integration control technology and a data-driven hydrogen AI and system optimisation software platform. Luke holds an M.Sc. and carried out his PhD studentship in Chemistry at the University of Cambridge building over 11 years of experience in hydrogen and fuel cells and the author of 19 patents.

Plenary n°02 : «Let’s preserve local territorial ecosystems»

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Felix Wunder

Business Development Manager Hydrogen


Felix is the Hydrogen Business Development Manager in charge of France, Spain and Italy at INEOS, Europe’s largest producer of hydrogen from electrolysis technology. He leads the hydrogen supply hub project at the chemical site in Tavaux, Bourgogne-Franche-Comté. Felix also heads the development of large-scale renewable hydrogen production at the INEOS’ site in Martorell, Spain. Prior to this assignment, Felix led energy efficiency projects, and has been involved in the ChemCH2ange green ammonia project at INEOS Cologne, Germany. He holds a degree in chemical engineering.

Plenary n°01: «Massive local production and/or importation of green hydrogen»

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Mansur Zhakupov

Vice President, Hydrogen for TotalEnergies SE


Mansur Zhakupov is the Vice President, Hydrogen for TotalEnergies SE, one of the world’s largest broad energy companies. He coordinates all activities related to renewable and low-carbon hydrogen and is responsible for TotalEnergies’ hydrogen strategy, expertise build-up, and securing growth opportunities through organic development, early-stage commercial entry, acquisitions, and innovation.

Mansur has 17 years’ experience in the global petroleum industry, across Africa, the Middle East, Australia and Europe in engineering, commercial, operational and general management roles.

Mansur is an engineer and holds an Executive MBA.

Plenary n°01: «Massive local production and/or importation of green hydrogen»