General Management

Dr. Marc Struhalla

CEO and Managing Director

Marc is co-founder, shareholder and managing director of c-LEcta. He earned a Ph.D. at the University of Hamburg following an undergraduate study in biochemistry at the University of Leipzig. On completion of his Ph.D., he returned to the University of Leipzig before founding c-LEcta. Marc has more than 10 years of experience in product development and commercialization in the industrial biotech field and managed the closure of numerous strategic alliances with the industry.

Thomas Pfaadt

CFO and Managing Director

Thomas joined c-LEcta in 2018 as CFO and managing director. Previously he worked for a private equity owned operator of rehabilitation clinics in Berlin as well as for a family owned integrated healthcare group and was responsible for M&A respectively for corporate finance and investor relations. Before that he gained experiences as banker and consultant with a strong focus on the healthcare sector. Thomas studied business administration at Goethe University in Frankfurt/M and at University of Southampton/UK.

Carsten Fietz

Senior Vice President Finance & Administration 

Carsten joined c-LEcta in 2004. He studied business administration at the Friedrich-Schiller University in Jena and has experience as a consultant in the Life Science industry as well as in biotechnology business startup. Carsten is responsible for finance and administration and also supports the development and implementation of product sales strategies.

Senior management

Dr. Ramona Schmiedel

Vice President Operations - Quality, Safety & Compliance

Ramona is Head of Operations at c-LEcta and responsible for quality, safety and compliance of c-LEcta`s developments and product portfolio in line with international regulatory demands. She studied Biochemistry and graduated in 2008 with a PhD degree at the University of Leipzig. Ramona joined c-LEcta in 2009 and gained many years of experience as Scientist and Team leader in research and development focusing on the development of industrial enzymes. Since 2015 she is intensively dealing with quality and compliance topics building the bridge between science and global market needs. Ramona is also qualified and in function as Occupational Safety Specialist.

Dr. Paula Pescador

Vice President Regulatory Affairs 

Paula studied biology at the University of Oviedo and went on to earn a Ph.D. at University Rovira i Virgili (Spain). After postdoctoral work at CIC BiomaGUNE (2007-2009) and the University of Leipzig (2009-2011), she joined c-LEcta as Business Development Manager. Since 2017 Paula also holds the position as Head of Regulatory Affairs, being responsible for registration and approval processes for c-LEcta’s product portfolio. She serves as representative for c-LEcta at the European Enzyme Industry Association (AMFEP).



Dr. Mathias Bell, MBA

Vice President Legal Affairs & IP

Mathias holds a Ph.D. in biochemistry (Charité, Berlin & Justus Liebig University, Giessen) and a Master of Business Administration (MBA; ESCP Europe). He spent more than 10 years in the biotech industry and in intellectual property asset management and licensing for various companies. As Head of Legal Affairs and IP Mathias contributes to c LEcta’s business professional experience across the full spectrum of technology in- and out licensing, structuring and negotiating of business and contract terms for licensing and cooperation agreements, and dealing with intellectual property issues.

Dr. Andreas Buthe

Vice President Business Development

Andreas is Head of Business Development at c-LEcta and received his academic training at the University of Heidelberg and the RWTH Aachen University in Germany. He graduated in 2006 with a PhD degree in biotechnology and biochemical engineering. In 2006 he joined the Group Research of Ciba Inc. in Basel Switzerland followed by an appointment with the Department of Bioproducts and Biosystems Engineering at the University of Minnesota. His research was dedicated to the implementation of immobilized enzymes to large-scale processes and the development of biofunctional materials. Driven by the dynamic prospects of industrial biotechnology he joined c-LEcta in 2010.

Dr. Arnd Knoll

Vice President Production

Arnd joined the company in 2012 as Head of Production. He is responsible for c-LEcta’s internal production facility as well as the manufacturing of c-LEcta’s products at external sites of contract manufacturing organizations. After graduating in process engineering majoring in biochemical engineering at the University of Technology Dresden, he obtained his PhD in biochemical engineering at the Chair of Biochemical Engineering of the University of Aachen (RWTH). Before joining c-LEcta Arnd worked as Process Engineer in the Department of Biotechnology Plants of Linde Engineering.

Dr. Stefan Schönert

Vice President R&D Strain & Process Development

Stefan is an expert in production of enzymes or organic molecules using microorganisms. He has profound knowledge in strain engineering, gene expression, and process development. Stefan studied biology at the University of Erlangen-Nürnberg and earned his PhD at the University of Konstanz. He joined c-LEcta in 2007 and is heading c-LEcta’s “Strain and Process Development” since 2010. Following his passion for molecular microbiology for more than 10 years he gained rich experience in developing strains and processes used in industrial production.

Dr. Andreas Vogel

Vice President R&D Enzyme Development

Andreas has more than 10 years of experience in the field of biocatalysis and enzyme engineering. He is Head of R&D Enzyme Development at c-LEcta. He originally trained in chemistry (University of Münster, Germany). After obtaining his Ph.D. degree in Biochemistry/Chemistry from the University of Münster he started postdoctoral work at the EMBL outstation in Hamburg in 2000, where he focused on structure-function relationships of enzymes. In 2003 he started his second postdoctoral research at the Max-Planck-Institute for Coal Research with Prof. M. T. Reetz, where he was involved in the development of methods for enzyme optimization (CASTing, B-Fit) and biocatalysis. In 2006 he joined c-LEcta, first as a Scientist and since 2007 as Head of Biocatalysis & Enzyme Engineering.

Supervisory board

Dr. Klaus Warning


Dr. Klaus Warning holds a Ph.D. in chemistry and is Chairman of the Supervisory Board and shareholder of c-LEcta. He is an equity partner of ChemAdvice GmbH, an advisory and consulting firm for the chemical industry and financial investors. As a former member of the Executive Committee, Executive Vice President of the Hoechst Celanese Corporation and a former member of the Executive Committee of SGL Carbon AG, he possesses a wealth of expertise and experience perfectly suited to support the goals of c-LEcta.

Dr. Ludwig Goris

Deputy Chairman

Dr. Ludwig Goris obtained a Master in Chemistry from Ghent University and a Ph.D. in Physics at Hasselt University (2006). After completion of his doctorate, he started as a post-doctoral scholar at Stanford University’s Department of Materials Science and Engineering, a position he held for three years. He earned an Executive Master’s degree in Corporate Finance from Vlerick Business School in 2013.

He started his career in venture capital investing in 2010 at Capricorn Venture Partners as independent advisor to the Capricorn Cleantech Fund, where he was responsible for scouting, analytics and portfolio support. After consecutive analyst and manager roles at the firm, he is today active as Senior Investment Manager to the Capricorn Cleantech and Capricorn Sustainable Chemistry Fund, where is responsible for deal initiation, deal structuring and portfolio management. He holds Board Director positions at EpiGaN, ViroVet and c-LEcta. His interests and expertise cover agriculture, human/animal health & nutrition, and chemical processing technologies that are disruptive in performance, efficiency and yield. In his capacity as active investor and board member, he supports his portfolio companies in business development, corporate finance and market access.

Uwe Steinbacher


Uwe Steinbacher has been with SHS since 2013 as partner, since 2015 as managing partner. Prior to joining SHS he was managing partner with Brockhaus Private Equity GmbH, Frankfurt and Investment Manager with TFG Venture Capital AG, Marl. Uwe founded and was managing partner of three family companies in the automotive service industry. He studied Economics at Witten/Herdecke University.