Management & Supervisory Board

Responsible Leadership for a Sustainable Future

Trustworthy and transparent management enables IBU-tec to be a good corporate citizen, and to achieve the best value for our customers. A central component of our mission is to maintain the right balance between disciplined leadership and maintaining the entrepreneurial spirit of innovation.

Executive Board

Ulrich Weitz, CEO IBU-tec Group

Ulrich Weitz began shaping IBU-tec to its present form in 2000. As CEO he is responsible for the IBU-tec Group. Having studied mechanical engineering, he began his career with OTIS elevator manufacturer in Paris and held management positions in quality control, design and production. Mr. Weitz then moved to Winkler + Dünnebier AG, where he held the position of plant manager leading a team of over 750 employees.

Joerg Leinenbach, Co-CEO and CFO

Mr. Leinenbach has been with IBU-tec since January 2015. Since then he went on to lead the company as Deputy CEO together with Mr. Weitz with a special emphasis on the value-adding processes of the operations department. As Chief Financial Officer, he also manages the commercial side of the company. Before joining IBU-tec, Mr. Leinenbach worked for Prego Services in Saarbrücken as a division manager in commercial management. He studied business administration at Saarland University, majoring in auditing and trusteeship as well as tax law. In his career to date, he has held various management positions in accounting, controlling and investment management.

Dr. Arndt Schlosser, Member of the Executive Board

Dr. Arndt Schlosser has been a member of the Executive Board since May 2020 and has been responsible for BNT Chemicals GmbH as Managing Director since January 2022. He graduated from Justus von Liebig University in Giessen with a diploma in chemistry and received his doctorate in physical chemistry under the tutelage of Prof. W. Seidel. After graduation, he started his professional career at Wacker Chemie and held positions in marketing & sales, planning and research, as well as quality management. Positions which took him to the Middle East, Latin America and the USA. Prior to joining IBU-tec, Dr. Schlosser worked as a Business Team Manager in Wacker's the silicone division.

Supervisory Board

Sandrine Cailleteau / Paris – Chairwoman of the Supervisory Board

Sandrine Cailleteau has been a member of the supervisory board since 2007 (chairwoman of the supervisory board since 2022). She holds a degree in Political Science and an MBA. After her MBA studies, she worked for several years as a Licensing Project Director for Sanofi and held a variety of positions at the leading edge pharmaceutical companies Fournier Pharma and Hesperion, as well as the investment banking firm, Michel Dyens & Co. In 2013, she founded SCiH Advisory and since December 2022 holds the position of Managing Director, European Healthcare at investment bank RBC Capital Markets.

Dr. Jens Thomas Thau / Berlin

Dr. Jens Thomas Thau is a lawyer, specializing in Employment Law. He has been a member (and vice-chairman) of the supervisory board since 2012 and acts as legal advisor to the company. Following his university studies in Berlin and New York, he worked as an academic researcher, a coach for legal examinations, and as a lawyer. In his current position, Dr. Thau is Chairman of the EBF Banking Committee for European Social Affairs, Co-Chair and Chief Legal Counsel of AGV Banken (The Employers’ Association of Private Banks). Dr. Thau is also a partner in his own legal firm.

Prof. Dr. Achim Kampker / Aachen

Prof. Dr. Kampker has been a member of the IBU-tec Supervisory Board since 2022. He holds a PhD in Mechanical Engineering from RWTH Aachen University and an Executive MBA for Technology Managers from the University of St. Gallen. Since 2014, he has been a professor at the chair for Production Engineering of E-Mobility Components (PEM) at RWTH Aachen University. In addtition to his scientific activities, he co-founded StreetScooter GmbH, which developed and produced innovative electric vehicles.

Upper Management

Dr. Toralf Rensch, Division Manager Service & Products

Dr. Rensch has been with IBU-tec since 1997. He leads the Sales & Technology department and coordinates order processing from quotation to realization, drawing on his many years of experience in the professional support and implementation of customer projects. Additionally, Dr. Rensch manages IBU-tec’s own products. He received his Ph.D.  from Otto-von-Guericke University Magdeburg in the field of thermal soil decontamination in rotary kilns.