David Wortmann is the owner and managing director of the consulting agency DWR eco GmbH that he and Doreen Rietentiet founded in 2012. He has extensive expertise in fields of business development, public affairs, public relations and strategic consulting in environmental technologies, renewable energy and sustainable development. Wortmann started working in the field of clean tech and renewable energies back in 2000 and is well connected across various sectors of the industry worldwide. In politics, he worked as a research assistant in the German Bundestag for major protagonists of the energy transition such as Hermann Scheer. He supported the creation of the World Council for Renewable Energy (WCRE) in the role as Director of International Policy Affairs. In the consulting company he worked on the government side for the Industrial Investment Council as Head of Asia based in Tokyo and later for the Germany Trade and Invest (GTAI) as Head of the Energy and Environmental Technology Department. In industry, he worked for First Solar as director of strategic planning and most recently as vice president of public affairs for the EU. Thereby he accompanied the expansion of the production facility in Germany, as well as important pieces of energy legislation. David Wortmann is a frequent speaker on conferences and acted, among other things, as a visiting lecturer at the Institute for Global Leadership at Tufts University in the United States. He has published numerous technical papers in the fields of sustainable development and energy and is the managing director of the Berlin -Brandenburg Energy Network.