Before becoming independent, he worked for more than 20 years in the European Commission. In 1999 he joined DG Enterprise and Industry in the sector for technical harmonisation in the Common Market and EN standardisation. In 2003 he was appointed Head of Unit dealing with Entrepreneurship and SME Policy and later Advisor in the same area. In 2016 he became Senior Adviser for Macroregional Strategies the Danube Region, working from Vienna. After returning to Brussels in 2018 he was named Senior Adviser for Advanced Industrial Technologies and Hydrogen Coordinator in DG GROW. Before joining the European Commission, Christian Weinberger worked in the private sector, for 10 years with a large multinational corporation in Marketing, Sales, Finance and Special Business Operations in various countries and at European HQ and then founded an international SME in Information Technology and was its CEO for 10 years. Being a European born in Austria, Christian Weinberger holds a Master of Physics in Engineering, an MBA and a Ph.D. in Economics.

Markus Kaufmann is a Principal in Roland Berger's Hamburg Office. For the past 10 years, he has been working on clen hydrogen as part of Roland Berger's growing cross-functional expert team in the field. He advises clients from the public and private sector around the world on strategic projects along the entire hydrogen value chain, with a particular focus on developing integrated clean hydrogen investment projects, supporting the entry of new players into the market and advancing the industrialization of critical supply chains such as electrolyzers. Markus has co-published numerous studies on hydrogen and fuel cells; his academic background is in business administration (University of Mannheim) and international affairs (Sciences Po Paris).

Johanna Schiele is a Policy Officer at the EU Commission, DG CLIMA. She works on designing and implementing EU-wide auctions for renewable hydrogen production at the EU Innovation Fund, under the umbrella of the EU Hydrogen Bank. Previous to joining the Commission, Johanna worked in the power sector and as a researcher on auctions and clean tech funding. She holds a BA from Oxford University and an MPA from Harvard University.

Jorgo Chatzimarkakis is CEO of Hydrogen Europe since 2016. Before he was Representative of Infineon Technologies in Brussels and Member of the European Parliament (2004 - 2014) inter alia in the ITRE Committee (Industry, Technology, Research and Energy) where he could contribute to lay the cornerstone for the first and the second Joint Undertaking on hydrogen and fuel cells. In 2007 he was elected 'MEP of the year' by his colleagues of the European Parliament in the category 'Research and Innovation'. In 2015 he was appointed ambassador at large for Greece. Mr Chatzimarkakis was born in Duisburg, Germany. He holds German and Greek nationality, a degree in political science from the University of Bonn.

Volker Häckh recently joined Lhyfe, a producer of green hydrogen with its headquarters located in Nantes, France, in September of 2022. In his role as a consultant, he is driving business development in Germany, focusing on the sectors of mobility and industry. Simultaneously, Volker is the managing director of his business consulting firm vohatec GmbH. Prior to that, Volker was holding several senior management positions at Linde AG, i.e. the management of global development, sales and marketing in Western Europe and the overall business of a German region. After studying chemical engineering at KIT in Karlsruhe, he took part in various leadership training courses, including one at Duke University, USA.