QSIL Group.

Stephan Behr (born 1957) completed his vocational training as an electronics technician and studied technical and biomedical cybernetics at the Technical University of Ilmenau from 1978 to 1984. From 1984 to 1990, Stephan Behr worked as a software developer, first in a mechanical engineering company and then in an engineering office for automation in the clothing industry. In 1990, Stephan Behr and a partner founded IBYKUS AG in Erfurt. Stephan Behr was a member of the Board of Management until 2000. In 2000, Stephan Behr founded the investment company SEMENTIS GmbH, through which he holds a stake in QSIL. From 2005 to 2018, he was chairman of the board of QSIL.

Dr. Helmut Vorndran is the managing sole shareholder of the family office VM Capital GmbH based in Düsseldorf (“VMCap”, www.vmcap.com). The company’s primary investment focus is on established companies in value-added manufacturing industries, information and communications technology, and renewable energy with sales of €10 million or more. To date, VMCap has been active in more than 60 corporate transactions, including four very successful IPOs in Frankfurt and London, of which Ersol Solar Energy AG, Erfurt, and Exceet Group SE, Luxembourg, are the most prominent IPOs to date.

Founded in 2000, VMCap today exclusively invests its shareholders’ own funds and currently manages “assets under management” in corporate investments, fund investments in private equity and venture capital, infrastructure projects and real estate for more than €400m. The entire group of companies employs around 1,500 people.

Prior to founding VMCap, Helmut Vorndran acquired 100% of Rolf Schnakenberg GmbH & Co. KG, a market leader in event technology in an MBI transaction, managed and successfully sold the company to an industry competitor. Prior to that, he worked for 11 years for the U.S. consulting firm A.T. Kearney in Munich and Tokyo, where he was involved in more than 100 consulting projects, particularly for clients in the energy, chemicals, pharmaceuticals and consumer goods sectors. His most recent position at A.T. Kearney was Vice President Worldwide and Managing Director of all Japanese consulting activities in Tokyo-based A.T.Kearney K.K.

He successfully completed his diploma studies in business administration at the University of Würzburg and was awarded the degree of Dr. rer. pol. PhD.

Ellen Stellwagen (born 1972) studied law at the Albert-Ludwigs-University in Freiburg and at the Julius-Maximilians-University in Würzburg and passed both state examinations. During her traineeship she also worked for Arthur Andersen in Eschborn. Since 1999 she has been working for Franken-Treuhand GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft in Würzburg. In 2003 she was appointed as a tax consultant. Since 2010, Ms. Stellwagen has been a managing partner of Franken-Treuhand GmbH. In addition, she has been working in her own law firm since 2003 as a lawyer specializing in business and corporate law.

Michael Keitz (born 1977) studied business administration at the University of Bayreuth and the University of Leipzig. After completing his studies, he worked for large auditing firms and was appointed as a tax consultant. Before joining QSIL, he worked in the automotive supply industry as Head of Finance (CFO), where his responsibilities included accounting, controlling, reporting, IT and HR. At QSIL, he was Managing Director and Co-CEO and was responsible for Group-wide operations as well as Human Resources, IT and Legal & Compliance. Michael Keitz will join the Board of Directors of QSIL SE in February 2025.