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.

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.