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. By building the international shareholder and partner network of Dii (Desertec Industrial Initiative), he was at the forefront of the renewable energy revolution in North Africa and the Middle East. A keen entrepreneur and investor in emerging markets with recognitions such as 'Solar Pioneer 2015' for the Middle East or the Visionary CleanTech Influencer of The Year 2022 by World Cleantech Awards. He is lecturing at several universities including St. Gallen and is a regular speaker at international conferences. He holds an MBA (Dipl. Kaufmann) from University of Passau, and speaks German, English, Italian, French and Russian. His experience ranges from M&A transactions, asset management, developing utility scale renewable energy projects (including mid-market with private PPAs), pay-as-you-go solar to energy efficiency, including ESCO projects and new business models. Some of the projects and companies were executed in challenging settings or countries. He has led sizable organizations both in startup environments and blue-chip companies and has raised funds from angel investments to USD 100m+ projects with institutional investors. 'I am glad to be able to work in renewable energy which is also my passion - we can genuinely make an impact with many different things and help people, to make our planet a better place. Having new challenges every day is fantastic and many more mountains to be climbed!' Executive management and boards of a variety of companies in emission-free technologies, as well as investment funds, seek his advice.

Philip Green has been the Australian Ambassador to Germany since 2020. In this role, he has been focusing on: - deepening German engagement in the Indo-Pacific - setting the foundations for a supply chain in Green Hydrogen between Australia and Germany, and - securing the right environment in Germany for the conclusion of the EU-Australia Free Trade Agreement. Immediately prior to arriving in Germany, Mr Green worked in the Australian foreign and trade ministry, leading the implementation of Australia's Indo Pacific Strategy, as well as Australia's relations with the United States and ASEAN. Mr Green has served as Ambassador or High Commissioner on three other assignments - in Singapore (2012-2016), South Africa (2004-2008) and Kenya (1998-2000). Mr Green worked as International Adviser to then Australian Prime Minister Kevin Rudd (2009-2010) and as Chief of Staff when Dr Rudd was Foreign Minister (2010-2012). He led the Secretariat for the Review of Australian Intelligence Agencies in 2004. Mr Green was awarded the Order of Australia Medal in 2003 for his role in the response to the Bali terrorist tragedy. He holds a Bachelor of Arts with First Class Honours and a Bachelor of Laws from the University of Sydney. He has been awarded honorary degrees from James Cook University and Murdoch University. Mr Green is married to Professor Doctor Susan Marks, who holds the Chair in International Law at the London School of Economics.

Julia Seitz completed her master's degree in environmental sciences with focus on climate-change-impacts at the University of Freiburg, Germany. After graduation, she worked at the Nature Conservation Center and at a climate protection association in Freiburg. At Fraunhofer ISE, she began working in the division of hydrogen technologies in 2020. In the divison, about 150 scientists, engineers and students conduct research in low temperature polymer electrolyte membrane (PEM) electrolysis and fuel cell systems, as well as in thermochemical processing of hydrogen for the production of synthetic fuels and chemicals. Julia Seitz is the personal assistant and research associate to the division director Prof. Christopher Hebling. She advises and supports him in all matters, but also represents his topics and helps with scientific work.

Mr Toro has over 19 years experience in leading international teams advising Governments, Industries and International Financing Institutions and Donors on Green Hydrogen and Decarbonisation. He and his teams has directly advised the Federal Ministry for Economics and Climate Change in Germany (H2Brasil and H2Uppp), The GIZ, The Brazilian Ministry of Mines and Energy on Hydrogen and the Colombian, Peruvian and Mexican Ministries of Mines and Energy. Moreover, several Industries in Brazil, Germany and Europe on decarbonisation and Multiple benefits of Energy Efficiency and The World Bank, BNDES and KFW on Green hydrogen and Energy Efficiency. He holds a B.Sc. in Civil Engineering, an MBA in resources and sustainable energy technologies and a PhD in Energy Economics and Policy from Germany especially for Innovations like Hydrogen, Renewables and Energy Efficiency.

Prof. Dr. Christopher Hebling studied Physics and worked for like ten years in the field of Silicon Photovoltaics before he became Director of the Hydrogen Technologies Division at ISE with a staff of about 150 scientists, engineers, and students today. Among his manyfold affiliations he is the spokesperson of the Fraunhofer Hydrogen Network (36 institutes) and Board Member of the Fraunhofer Cluster of Excellence 'Integrated Energy Systems'. Next to his close involvement in national hydrogen strategy developments he is member of the Expert committee for the Transformation of the Automobile Industry of the Federal Ministry for Economic Affairs and Climate Action. Furthermore, he is the Co-Chair of the German Hydrogen and Fuel Cell Association, and he is involved in international stakeholder processes and advisory boards of international hydrogen and fuel cell conferences. He published more than 150 journal and conference papers and is Honorary Professor at the University of Cape Town, South Africa. The Hydrogen Technologies Division conducts research in low temperature polymer electrolyte membrane (PEM) electrolysis and fuel cell systems, as well as in thermochemical catalysis and process developments of hydrogen to synthetic fuels and chemicals (PtX).

Fernando Brun, Ambassador of the Republic of Argentina, is a career diplomat born on 7 January 1971 in Buenos Aires, Argentina. He graduated in Political Science and International Relations from the Catholic University of Argentina. In 1996, he was admitted to the Institute of Diplomatic Service through a State exam. In 1999, he began his career as a career diplomat. In 2009, he was appointed Chief of Staff of the Undersecretary for International Trade. In 2010, he was promoted to Chief of Staff of the Secretary for International Trade and Foreign Economic Relations. In March 2016, he was tasked as Deputy Head of Mission at the Argentine Embassy in Brasil, until his appointment as Argentine Consul General in Hamburg. In 2017 he was responsible for coordinating the G20 Summit in Hamburg. Since December 2019, he worked as Head of the Cabinet for International Relations in the Secretary of State for Strategic Affairs of the Office of the President of Argentina, where he was responsible, among other tasks, for energy transition, with a focus on green hydrogen. He has been Ambassador of the Argentine Republic to the Federal Republic of Germany since Januray 17th 2023. Mr Brun speaks English, French, Portuguese and German (ZDAF & ZMP Goethe Institut Buenos Aires).

Patricia Naccache is Deputy Director for Energy Transition at the Ministry of Mines and Energy of Brazil (MME), where she coordinates policies related to hydrogen, the electricity sector and the energy transition. Previously, she was advisor to the Deputy Minister at MME, and worked on regulatory strategy at CPFL Energia and Energisa, both major energy utilities companies in Brazil. She was also a researcher at the Center for Studies in Regulation and Infrastructure (CERI) and at the Brazilian Institute of Economics (IBRE) at the Getulio Vargas Foundation (FGV) and volunteer at the NGO Revolusolar. Patricia holds a BA in Economics and a master's degree in Finance from PUC-Rio.