Rachel Geyer | Chair
Rachel Geyer has a background in tertiary education and is Vice-President and Company Spokesperson of terahash.energy GmbH, whose vision is to unleash the power of the Bitcoin network.
Rachel first discovered Bitcoin in 2017, but only understood the implications of this new technology in 2020, after a year of intense study. She is also the co-founder of Les Femmes orange, providing Bitcoin education made by women, with the mission to encourage more women to study Bitcoin.
She is mother to four adult children and spent 25 years living in Europe, China, the Middle East and South Africa, before settling back in Germany in 2020. She holds both the British and German nationality.
Frederik Vyncke | Vice Chair
Frederik is Director and interim CEO at Prosperity Digital, a pioneering company that combines blockchain and cleantech to create a brighter future for all. He has over 15 years of experience in leading and managing projects, teams, and operations in various industries at large corporate companies, including manufacturing, transportation, and data centers. He has been engaged into Bitcoin mining and HPC since 2015.
As a co-founder and board member of several ventures focusing on energy and waste reduction, he is passionate about leveraging cutting-edge technology to revolutionize the way we approach sustainability.
Mike Hermann | Treasurer
Mike Hermann is an energy manager working in European regulation management at one of the four German electricity transmission system operators (TSO). He has also been active in the field of European energy and regulatory policy since 2014.
Mike became aware of Bitcoin around 2017 and has subsequently been working on technical solutions for providing energy for bitcoin mining, focussing on the volatility of feed-in from renewable energy sources.
Mike has a deep understanding of the advantages of integrating bitcoin mining into the German energy economy and brings experts of both areas together. He is convinced that Bitcoin as a storage method of value will play an essential role for the long-term security of energy supply in the future.
Dr. Sven Hildebrandt | Board Member
Dr. Sven Hildebrandt has a background in traditional finance and joined the Bitcoin-Space in 2016. He understands himself as a bridge builder between different communities and is an advocator for proper regulation in the Blockchain-Space.
He is currently working as Executive Director Business Development & Strategic Partnerships at Boerse Stuttgart Digital, the 6th largest European Exchange groups.
Dr. Harald Rauter | Board Member
Dr. Harald Rauter holds degrees in Natural Sciences and Economics. His primary professional focus is innovation and entrepreneurship in the context of the material societal changes that are driven by the consequences and effects of climate change.
For the past 10 years he has been an investor and portfolio manager for climate-positive investments both in the public- as well the private sector. He discovered Bitcoin in 2016 and since then spends most of his time on understanding, communicating and capturing the net-positive value and outcomes that Bitcoin generates across the environmental, societal and economic spectrum. He is the Founder and Managing Director of Consors Strategy, a Venture Building and -Investment Facility in Zurich.
Kristian Csepcsar | Board Member
Kristian combines his applied informatics expertise from the University of Economics in Prague with practical experience from his time at KPMG conducting IT audits.
For the past 5 years, as the Chief of Marketing at Braiins, a Prague-based global company that’s been innovating in bitcoin mining software and hardware since 2010, Kristian focuses on fostering strong partnerships with bitcoin miners worldwide. He’s committed to understanding bitcoin miners‘ unique use cases and operational challenges to ensure that Braiins‘ offerings push the boundaries of mining efficiency.
