Alexis has experience in finance and operations, with deep knowledge of international industrial groups.

He worked in the financial departments of Plastic Omnium and Alstom before spending over 10 years as CEO in the energy sector for Alstom, Areva, and General Electric.

He led global high-voltage switchgear activities and oversaw strategic redeployment projects.
Since 2022, Alexis has joined H2V to develop H2 business in France as CEO.

On top, Alexis became in May 2025 H4 Marseille Fos CEO (JV between HY2Gen and H2V). H4 MF is focus on e-Saf Production (75KT) and located in Fos-Marseille Port.
Alexis graduated from ESSEC Business School, INSEAD, and earned the Sciences Po Director Certificate in 2023.

As head of SAF at Hinicio, Louis supports project developers to de-risk their eSAF and bioSAF projects. He has been with Hinicio for the past eight years advising customers on the business cases of PtX and SAF projects. Louis’ mission is to make transport more sustainable. He is an entrepreneur and consultant working in clean transportation on eSAF, green hydrogen, Power-to-X, night trains, and clean aviation.

He is now co-founding BookBetter as a sustainable OTA, and the least polluting flight BetterToBaku for COP29. He was a co-founder of Moonlight Express (now European Sleeper night trains) and worked as COO at Hinicio. Before that, he worked as a project manager at Roland Berger in strategy, M&A, and restructuring with a strong focus on the airline and transportation industry. He has an academic background in commercial engineering and international working experience living and working in different locations in Europe, Colombia & Mexico, the Middle East, and China.

Sarah Wilkin is the entrepreneurial founder and CEO of Fly Green Alliance, which was the first sustainable aviation fuel (SAFs) alliance developed globally.

She has pioneered and evangelized carbon reduction through SAFs, after presenting the case to booking.com in 2018 and being awarded a grant by booking.com to work on the R&D and market development, and has now gone onto pioneer the use of nuclear to decarbonise the supply chain of aviation and for use within the eFuel process.

Speaking at World Nuclear Association and International Atomic Energy Agency events to discuss the case of aviation decarbonisation.

She is a keen innovator, deemed trailblazer and thought leader in green travel having supported groups such as Amex Business Travel and large insurance firms to gain their corporate strategy, and is now bringing her knowledge of the blockers of public perception and corporate uptake to support the nuclear sector to grow investment and develop the application uses and end-user offtakes.

Sarah and FGA are part of the World Nuclear Association 'end user group' representing aviation and was one of the founding signatories of the "Tripling of nuclear by 2050" announced at CERAWeek alongside Google, Dow and Amazon.

Sarah is working on bringing the aviation sector into the ecosystem through the new "Nuclear for eFuel Initiative" which she is developing with the Hydrogen Energy Association and the Nuclear Hydrogen Initiative.

Cyril Dufau-Sansot has been CEO and co-founder of the Hy2gen Group since 2017.

Under his leadership, Hy2gen is a global leader in the development, financing, construction, and operation of 100% carbon-free plants to produce green hydrogen and derivatives.

Prior to founding Hy2gen, Cyril served as President and CEO of AREVA H2GEN, where he successfully transformed the company into a leading manufacturer of PEM electrolysers. His

tenure at AREVA H2GEN was marked by significant advances in the production of CO2-free hydrogen. Before his role at AREVA H2GEN, Cyril was the Managing Director at Viessmann Industrie France.

At Viessmann, he was instrumental in developing the industrial branch globally and initiating the first Power-to-X projects, focusing on the integration of technology with coherent business models for energy production, storage, and usage, particularly in hydrogen, biofuels, grid flexibility, and mobility applications.

Cyril began his career as a technical expert with the French engineering group FIVES, where he gained valuable experience in the energy sector, managing several industrial companies, including a French biomass boiler manufacturer.

Cyril holds an Engineering degree in Energy Systems and Fluid Mechanics from Polytech Marseille.

Gerben Hieminga is a seasoned economist at ING Bank, specializing in the economics of energy transition and energy markets.

With a deep passion for achieving a net zero economy, Gerben focuses on how technology and policy interventions can drive this critical transition.

His research delves into the complexities of energy markets and the challenges faced by hard-to-abate sectors, such as sustainable fuels.

Gerben holds degrees in both economics and building engineering. He resides and works in Amsterdam.

Peter van Hooft, Head of Project Development EMEAC at Skytree, leads the development of direct air capture (DAC) projects across Europe, the Middle East, Africa, and Central Asia.

He focuses on advancing local CO2 generation solutions for industries including indoor farming, CDR and Power-to-X projects, greenhouses, and mineralization, supporting the transition away from fossil fuel-based CO2 supply.

Drawing on his experience in innovation strategy and public-private collaborations, Peter helps create scalable pathways for cleaner industrial processes.

Alex Kramarchuk is the Managing Director of Colton Alexander LLC, where he leads investment banking engagements in private markets and real assets, with a focus on sustainability.

Over the last two decades, Alex has structured and managed transactions for companies and institutional investors in energy, technology and media.

Before transitioning into banking and finance, Alex spent 15 years in the motion picture production industry and is a member of the Director’s Guild of America.

At Colton Alexander, Alex combines his creative roots with financial expertise to originate and manage investment opportunities that promote sustainability for future generations.

He holds FINRA Series 7, 66, and 79 licenses and earned an MBA in Finance and Strategy from Pepperdine University.

A frequent panelist and speaker, Alex is committed to advancing sustainable, high-impact investments that address global environmental and social challenges.

At LanzaJet, Daniel leads engagement with the company’s key partners, translating the value of Sustainable Aviation Fuel (SAF) into commercial and environmental impact.

Passionate about the Circular Economy, Nature-Based Solutions and a Just Energy Transition, he focuses on how SAF can bridge aviation's decarbonisation efforts with ecological and societaly regeneration.

Before joining LanzaJet, Daniel served as a SAF Specialist at IATA, where he helped shape and mobilise the global SAF ecosystem - playing an intersecting role between airlines, fuel producers, governments, financiers and innovators.

Livia Ignácio is the Head of Bonsucro in South America, the leading global sustainability platform and certification scheme for sugarcane.

She supports over 90 member companies across 8 countries, promoting sustainable production and uses of sugarcane derivatives across all the links of the value chain, from farmers up until the traders and buyer companies.

She holds a master’s and bachelor’s degree in Engineering from the University of São Paulo and studied Environmental Sciences at Leuphana Universität Lüneburg in Germany.

With over 13 years of experience in sustainability and certifications, she previously worked at EY, Raízen/Biosev, and Alcoa.

Rocío Gil is the Aviation Market Development Manager within the Renewable Fuels and Circular Economy division at Repsol.

She brings over 18 years of experience with the company, including 12 years in the International Aviation Business, where she was responsible for Sustainable Aviation and Technical Assistance, followed by 2 years as SAF Product Manager.

In her current role, she leads market development and the commercial strategy for both conventional jet fuel and Sustainable Aviation Fuel (SAF).

Rocío holds a Bachelor of Science in Industrial Technical Engineering, specializing in Industrial Chemistry, and a Master of Science in Industrial Engineering.

She has also completed several postgraduate programs in Renewable Energy, with a focus on Geothermal Energy and Green Hydrogen Projects.

I am passionate about making aviation better. Aviation connects us, enabling cultural exchange, business growth, access to new flavors, sports, and so much more.

Yet, the way we travel today can be significantly improved to make it more sustainable, and I am committed to being a part of that transformation.

Throughout my career, sustainability and aviation have been constant themes, and therefore, Louis Lammertyn and I co-founded BookBetter to provide innovative solutions for everyone to be able to travel more sustainably.

Experience in providing sustainable aviation consulting to airlines, airports, and registries. Formerly Neste's aviation team, and strategy consulting in aviation at Seabury Consulting/Accenture.

Education: MSc. Aerospace Engineering, Delft University of Technology & MSc. Economics, Universidad Carlos III Madrid.

Sergi Alegre (Ph D. Contemporary History) is the actual Director General of Airport Regions Council.

Due his position he has participated as speaker in plenty of conferences and events focused on the different topics of the relationships between airports and territories and has been involved in the development of numerous EU funded projects on these topics, especially on the environmental ones with like OLGA, TULIPS, STARGATE, ALIGHT, D-AIR, etc. At the present moment he is member of the advisory committee of eight EU funded project.

He is member of the Advisory Committee of Aeroports du Paris Group, AeoS, Moeve Foundation and of some of the most important European initiatives like the Alliance for a Zero Emission Aviation, the FlyingGreen Stakeholder Engagement and Consultation Group (EUROCONTROL), the Renewable and Low-Carbon Fuels Value Chain Industrial Alliance and the Zero Pollution Stakeholder Forum.

Cato Sandford is a senior researcher in climate and energy policy at the consultancy Cerulogy.

His main subject areas include alternative fuel policy and alternative fuel development around the world, bio-feedstocks and land-use change, sustainability standards, and carbon removal technologies and certification.

He writes detailed reports supported by data analysis and scenario modelling for clients in the NGO community and the European Commission, and is committed to robust policy design and approaches for achieving environmental objectives.

He has a PhD from New York University where he specialised in soft condensed matter physics.

Marta is senior associate at Ikigai Group with experience in strategic advice and co-development of renewable energy and natural capital systems with large infrastructure asset owners and project bankability structuring for institutional investors.

Marta has been specialising in the sustainable fuels value chain delivery, including the development of a first-of-its kind multi-modal hydrogen hub at an UK airport.

Marta also focuses on Co2 asset optimisation, including integration of BECCS and nature-based solutions (carbon removals, biodiversity and water neutrality).

Prior to joining Ikigai in 2021, Marta worked in European bioenergy market intelligence and policy, specifically supporting the EU Commission on legislation regarding the scale-up of bioenergy technologies and crowd-in of associated sustainable investment (including EU Taxonomy).

Marta is also a guest lecturer at the UN Renewable Energy Institute, teaching the courses on Carbon Finance and Carbon Capture & Market Strategies, and a Board member and the Global Chair of the Young Professionals Network at the Energy Institute.

Duncan is Chief Executive of Sustainable Aviation, helping lead the aviation industry to a more sustainable future.

He was a Partner at Brunswick from 2019 to 2024, leading teams to support international clients with corporate reputation, public policy, and competition issues.

Prior to this, Duncan was Chief of Staff and Special Advisor to former Chancellor Rt Hon Phillip Hammond MP where he provided advice on fiscal policy, Brexit, financial services and transport issues, among other things.

Duncan also served as a Special Advisor to Phillip Hammond as the Secretary of State for Foreign and Commonwealth Affairs, and was campaign director and office manager for Andrea Leadsom MP from 2010 to 2015.

Before that, Duncan was chief executive at MCA Ltd, a management consulting firm, providing managerial and strategic advice to large companies and has also worked in European equity strategy for Credit Suisse and JPMorgan Chase in London, and consulted at the World Bank and KPMG in Washington, D.C.

Debbie is a global ESG leader with over 30 years’ experience across Formula 1, international sponsorship, and the technology sector.

She is recognised for driving ESG from a compliance function into a strategic lever for commercial growth, brand value, and long-term transformation.

Her career began in Formula 1, where she held commercial and marketing roles across leading teams including Benetton F1, Stewart Grand Prix, Jaguar Racing and Virgin Racing, alongside leading international partnerships for global brands such as Orange.

This foundation gave her deep expertise in the commercial dynamics of global sport and the power of partnerships to influence change at scale.

Debbie later founded Parachute Marketing Ltd, delivering major international sponsorship programmes for organisations including Thomson Reuters, Virgin Management, Tata Communications and Santander, building a strong track record in brand led sports partnerships.

She went on to spend seven years at Sage plc, where she transitioned into global ESG leadership, leading the company’s sustainability, DE&I and social impact strategy, and founded Sage Foundation, embedding purpose and social value at the heart of the business.

Now ESG Director at Aston Martin F1, Debbie is responsible for driving the team’s sustainability and social impact agenda, bringing deep cross-sector expertise to accelerate ESG progress within Formula 1.

Her work includes driving decarbonisation initiatives across operations and supply chains and supporting the broader industry transition toward low-carbon solutions, including the adoption and advocacy of Sustainable Aviation Fuel (SAF) as part of motorsport’s journey to net zero.

Laurent Donceel is Director, Transport and Industrial Policy & Sustainability at Hydrogen Europe, the leading organization representing European-based companies and stakeholders committed to moving towards a circular carbon neutral economy.

With more than 600 companies and national associations as members, Hydrogen Europe encompass the entire value chain of the European hydrogen, RFNBO and fuel cell ecosystem: technology providers, fuel producers, infrastructure operators and offtakers of hydrogen and derivates.

Laurent was previously Deputy Managing Director of Airlines for Europe (A4E), the European aviation industry lobby.

For over 15 years, he has worked for blue chip companies, trade associations, governments and NGOs in the fields of transport, energy and climate change policy.

Laurent is also Secretary-General of Res Publica Europa, the pro‑EU think tank / ideas platform.

He graduated from the London School of Economics (LSE), and the Université catholique de Louvain (UCL).

Since 2022, Dario Formenti serves as Senior Manager in the Aviation & Maritime department at ISCC.

He is responsible for updating and further developing ISCC certification schemes for compliance in regulated maritime and aviation markets, including those under the EU RED framework and the ICAO CORSIA scheme.

Additionally, he co-developed the certification approach for RFNBOs, RCFs, and LCFs under the ISCC EU scheme.

Dario holds a Master's Degree in Industrial Chemistry & Management and a PhD in Chemical Science from the University of Milan. After several years working in academia in Italy and Germany, he transitioned to ISCC.

Marcella Franchi joined Haffner Energy in 2021, a company with more than 30 years of proven expertise in biomass-to-energy technologies and over 40 plants delivered worldwide.

She played a pivotal role in the success of Haffner Energy's IPO in February 2022. As the company's international ambitions accelerated, she was appointed Global Chief Marketing Officer and now serves as Chief Commercial Officer.

In May 2024, she was also named Head of the newly created Sustainable Aviation Fuel (SAF) business unit, reflecting the strategic importance and rapid growth of this sector within Haffner Energy.

Marcella began her career in financial engineering at Warren & Selbert (now Accufy Inc.) in London, where she spent 17 years.

She later became a successful entrepreneur, founding and leading real estate and rental businesses in the UK and Portugal.

She holds a degree from the London School of Economics and a postgraduate qualification in Corporate Finance from the London Business School.

Marcella has lectured and consulted at universities in Hong Kong and Lisbon and currently serves on the boards of the LBS Energy Club, Sol Domus and MM1 SA A seasoned international speaker, Marcella regularly addresses global audiences on the energy transition, circular economy, clean energy, Sustainable Aviation Fuel (SAF), hydrogen, and methanol.

Fluent in five languages, she brings a truly global perspective to the development of next-generation energy solutions and acts as an Ambassador for Women in Green Hydrogen.

Camilo Navarro is the Technical Lead for Sustainable Aviation Fuel (SAF) at BIOD, with more than 10 years of experience in biofuels and advanced sustainable fuels.

His expertise focuses on the evaluation and integration of technologies through a cross‑functional approach, aimed at ensuring technical excellence, economic viability, and strong environmental performance across projects.
His work centers on optimizing the alignment between feedstock, technology, and final product, delivering SAF that meets quality standards and sustainability criteria, with the lowest possible environmental footprint as the foundation for a robust and viable business model.
Currently, Camilo leads the technical aspects of the BIOD project, responsible for the installation and commissioning of Colombia's first SAF production plant.

Grazvydas is a senior business development and sales professional with high level negotiations and financial risk management experience at global Renewable, Energy and Aviation companies.
He has established from zero and was elected Chairman and CEO of Management Boards of oil products supply and trading organization for the Oil Refinery group of companies in the USA and Europe with revenues of USD 10 billion per annum.

The implementation of a successful strategy of oil product sales and supply has resulted in a total value added of USD 150 million annually.
Also, he was part of the founding management team of FL Technics, the Global Aviation Maintenance Repair Organization established on the foundations of the National airline flag carrier.
The successful implementation of commercial strategy focused on Third party Aviation leasing and engineering services for the Western European clients resulted in added value of USD 90 million annually.
After more than 25 years of Global commercial and venture building experience for major Aviation and Energy companies, Grazvydas has what it takes to contribute towards teams in achieving challenging goals.Besides his strong sales and business development background, Grazvydas is fluent in English, Lithuanian, Russian and conversant in Polish and German.
He is passionate about helping Sustainable Aviation projects scale to their fullest potential and creating innovative business teams and models. When he is not working, he enjoys jogging and playing tennis with friends.

Venture capital investor with a focus on biofuels.

He has experience in building emerging biofuel businesses and supports management by providing advice on strategy.

He was founder, investor, and Managing Director of Straw Fuels, a UK based bio-fuel business focused on meeting EU targets for renewable transport fuels.

Prior to Straw Fuels, David was Co-Head of Asian Equities at HSBC and Managing Director at Bank of America Merrill Lynch.