Other speakers are in the process of being confirmed.

Welcome Speech


Klaus Schäfer

President of Eurogas/CEO of Uniper

Klaus Schäfer has been Chief Executive Officer of Uniper since January 2016 ahead of the planned spin-off from the E.ON Group. Uniper is a major international energy company and operates in Europe, Russia, and a number of other markets around the world in power generation, gas up- and midstream, global commodities and engineering. With 20 years of experience in the energy sector, Klaus has held a number of top management positions in the E.ON Group before the split. He was Member of the Board of E.ON, CEO of E.ON Global Commodities and E.ON Ruhrgas, and he held senior executive positions in E.ON Italia, E.ON Sales & Trading and Thüga. Klaus obtained his master degree in management from the ESCP Europe School of Management in Paris, Oxford and Berlin.

Panel 1: What is renewable gas? Why renewable gas?

Jan Štambaský

President – European Biogas Association (EBA)

Dr. Štambaský received his PhD in chemistry from the University of Glasgow in 2008. He then created his own company, NovaEnergo Ltd, focusing on advanced biochemical approaches to enhance the overall efficiency of the biogas and biomethane production processes. Jan Štambaský is a member of the Czech Biogas Association and was appointed a member of the executive board of the European Biogas Association in 2009. He became a President of EBA in 2014.

Axel Wietfeld

Managing Director – Uniper Energy Storage

Dr Axel Wietfeld joined Uniper, previously E.ON, in 2002. He held a number of senior project manager and executive positions in its gas supply and renewables business in Germany and further afield.

As Vice President LNG Regasification from 2006 to 2008, he played a leading role in establishing E.ON’s regasification portfolio in Europe. Having done a stint in the Middle East, in 2011-2013 he served as Member of the Board and CEO of E.ON Storage Hungary and oversaw the gas storage business. After that, he was CEO of E.ON Southern Africa, in charge of utility-scale wind and solar projects.

Dr Wietfeld holds a Master’s degree in Industrial Engineering & Management and a PhD in Economics.

Tobias Block

Expert – Renewable Fuels Department – Audi

Tobias Block is responsible for integrating Audi e-gas methanation plant into the energy grid, creating a pathway for the further development of the power-to-gas technology. This includes schedule management as well as the economical optimization of the first industrial power-to-gas plant.

Mr Block is the right hand in Audi’s department dealing with “sustainable product development”. He is also involved in developing new A4/A5 g-tron model and the new Audi e-gas balancing concept.

In addition, he is writing his PhD at the University of St. Gallen on “Business models of the power-to-gas technology”.

Panel 2: The economics of renewable gas

Mechthild Wörsdörfer

Mechthild Wörsdörfer

Director – European Commission Directorate General for Energy, in charge of renewables, research and innovation, energy efficiency

As the European Commission Director, Ms Wörsdörfer is currently in charge of renewables, research and innovation, energy efficiency. Between 2014 and 2017, she was a DG Energy Director responsible for energy policy, international relations, legal aspects and economic analysis. She managed the development of the Energy Union Framework Strategy, the Governance and external aspects. Prior to that Ms Wörsdörfer worked as head of the policy unit in DG Energy, in particular on the 2030 Energy and Climate Framework.

Before, she pursued a long career at DG Enterprise & Industry in the area of competitiveness and SME policies. Between 1999 and 2004 she worked in the Cabinet of Erkki Liikanen, European Commissioner for Enterprise Policy and Information Society. Ms Wörsdörfer studied Economics at the University of Heidelberg and the University of Montpellier and completed her studies with a Master in European Economics at the Free University of Brussels.

Steinar Eikaas

Steinar Eikaas

Vice President Low Carbon Solutions – Statoil

Steinar Eikaas has been heading up the Low Carbon Solution unit in Statoil since spring 2017. His responsibilities include strategy and business development within the Carbon Capture and Storage (CCS) technology, as well as hydrogen solutions based on natural gas reforming with CCS. These activities are key for Statoil to deliver on its vision of ‘Shaping the future of Energy’.

Steinar has 25 years of experience in oil and gas industry. He has been working for Statoil his entire career, leading on several major international O&G acquisitions. His educational background is a Master of Science in Finance.

Marcel Keiffenheim

Head of communications and politics – Greenpeace Energy



Mr Keiffenheim worked as a journalist for 20 years, including for the Frankfurter Rundschau and the Greenpeace magazine. He joined Greenpeace Energy as press officer in 2007. Mr Keiffenheim has background in political science and international law.


François-Xavier Létang

Managing Director & Founding Partner – Létang Biogaz

Andreas Froemmel

Vice President Sales & Marketing - Sunfire

With more than 20 years of experience in the energy industry, Mr Froemmel’s role as Vice President of Sales & Marketing focuses on the global coordination of sales processes such as business development, marketing, sales and customer relationship management. His background is in engineering and he also has a degree in business administration and economics.

Sunfire’s key technology focuses on converting chemical energy from a gaseous fuel into electricity and heat.


Sasha Twining

Sasha Twining

BBC Presenter & Journalist

Sasha is a well respected television and radio presenter. She’s worked in international news for many years. She was an anchor on Sky News in the UK and lead presenter for the world-wide news channel, Russia Today. Sasha has also worked as a correspondent for both local ITV in the UK, and Network Nine in Australia. As a debate moderator and conference host she works in many areas including energy, telecommunications, transport, retail and manufacturing. She currently presents for BBC radio.