Our Team


Lars Singbartl CEO Blockchain Holding

Lars Singbartl was partner and head of Germany at the global growth equity investor Warburg Pincus. His experience and global network in the technology sector is a driver for the vision and strategy of the company. As member of the board of trustees Freunde der Alten Oper (Frankfurt) and member of Schirn Zeitgenossen (Frankfurt) he is supporting arts and music culture in Frankfurt. Lars holds a BA in Information Technology (European Business School) and a MBA in Business Administration.

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Martin Mockenhaupt CFO & COO Blockchain Holding

Martin Mockenhaupt joined the Blockchain Holding in 2015, first as management consultant and subsequently became CFO & COO in 2017, focusing on operational excellence and finance strategy. He worked more than 25 years as executive manager, entrepreneur and advisor in the TMT sector and most recent as trustee for Warburg Pincus, Germany. Martin has an university degree in business administration at Justus-Liebig-University Giessen and graduated with a MBA at University of Saarland.

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Hartmuth A. Jung Chairman Blockchain Holding

Hartmuth A. Jung is a well known German Banker and Business Angel. He was Vice-Chairman Investment Banking at Barclays. Prior to that he held various positions at UBS AG, notably as CEO of UBS Germany and Head of EMEA M&A. In addition Hartmuth is a Co-Founder and Director of the Walther Rathenau Foundation for Foreign Policy (Berlin), Board Member of the Freunde of the Schirn Kunsthalle (Frankfurt). Hartmuth graduated from the European Business School.

Sebastian Krause CEO CoinBau

Sebastian Krause was Co-Founder and CEO of ASICrising before rebranding to CoinBau in 2015 and is responsible for hardware design, supply chain & production and deployment of our technology. Sebastian is key driver of innovation at CoinBau with focus on hardware efficiency as well as modular datacenter solutions. Sebastian graduated with a degree in engineering from Chemnitz University of Technology.

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Dr. Markus Winter CTO CoinBau

Dr. Markus Winter is Co-Founder of ASICrising and serves as CTO at CoinBau. He is dedicated to R&D and Chip Design of our base technology. He is responsible for software development including the design of CoinBau’s system architecture, firmware and productivity management tools. Markus has a university degree as Engineer and a Doctor of Engineering from Dresden University of Technology.

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