Rachel Geyer | Chair
Rachel Geyer was first introduced by her son to Bitcoin as an asset in 2017 but only fully understood the potentials of this new technology for the energy sector in 2021, after research into the long-term implications of Bitcoin’s energy requirements.
Rachel subsequently worked for 3 years as Vice-President and Company Spokesperson of terahash.energy GmbH, a German spin-off of a 75 year old family business, providing bitcoin mining solutions in combination with renewable energy sources and battery storage in Europe.
In 2022 she initiated the decentralized movement ‘Les Femmes orange’, Bitcoin education made by women, to encourage more women to study Bitcoin.
She is mother to four adult children, her most important role, and spent 25 years living in Europe, China, the Middle East, and South Africa, raising her family and supporting her husband’s career, before settling back in Germany in 2020.
Frederik Vyncke | Vice Chair
Frederik is CEO at Prosperity Digital, a Swiss company focusing on dense computing globally. 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 centres. He has been engaged in 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 revolutionise the way we approach sustainability.
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.
Bastien Desteuque | Board Member
Bastien Desteuque is Director-General of the Institut National de Bitcoin (INBi). He previously worked in renewable energy development before focusing on the interaction between power systems and Bitcoin mining. He translated Lyn Alden’s book Broken Money into French. At INBi, he works to remove the barriers slowing the development of Bitcoin mining in France, convinced that the country has one of the strongest potentials in the world thanks to its electricity mix and generation capacity.
