The great role that companies play in a society is becoming more anchored in the collective consciousness and is being understood more comprehensively scientifically. Far beyond the economic added value, corporations, medium-sized companies and small companies have a significant influence on the population and our world as a whole, the local region, the neighbors and employees in particular. Responsible leadership enables the highest added value for all parties.
Jörg Leinenbach, CEO
At the company since 2015, Jörg Leinenbach has been responsible for the commercial processes and at the same time manages all value-adding operational processes. In 2023, he was also appointed as CEO and henceforth leads the Group. Before joining IBU-tec, he worked at RAG Saarberg AG in investment management and at Prego Services GmbH as commercial division manager. Mr Leinenbach studied business administration at Saarland University and specialized in tax law as well as trust and auditing. His professional career has already included various management positions in investment management, controlling, investment and accounting.
Ulrich Weitz, CPO
From 2000, Ulrich Weitz expanded the company to its current form and successfully floated it on the stock market. He was responsible for the entire IBU-tec Group as CEO until 2023 and is now chairman of the supervisory board. After studying mechanical engineering, he worked in Paris for the elevator manufacturer OTIS, where he held management positions in the areas of quality, design and production. Weitz then moved to Winkler + Dünnebier AG, where he was plant manager responsible for human resources for over 750 employees.
Sandrine Cailleteau – Paris – Chariwoman of the Supervisory Board
Sandrine Cailleteau joined the IBU-tec Supervisory Board in 2007. After completing her studies in Paris (Master of Business Administration), the political scientist worked for Sanofi for many years and subsequently held various positions at renowned pharmaceutical companies (including Fournier Pharma Inc. and Hesperion) before moving into investment banking, initially at Michel Dyens & Co. In 2013, Sandrine Cailleteau founded the company SCiH Advisory. From 2018 onward, she served as Managing Director at the investment bank Bryan Garnier; since December 2022, she has been Managing Director, European Healthcare, at the investment bank RBC Capital Markets.
Dr. Jens Thomas Thau – Berlin
Dr. Jens Thomas Thau is a specialist in labor law and has served as a member of the supervisory board (vice-chairman) since 2012; he also acts as legal counsel to IBU-tec. After completing his studies in Berlin and New York, he worked as a research assistant, bar exam tutor, and attorney at various law firms. Today, he practices law at his own firm.
Isabelle Weitz – Paris
Isabelle Weitz is a communications consultant at Omnicom PR Group in Paris and was elected as the fourth member of the Supervisory Board by the Annual General Meeting in April 2023. She studied European Studies and International Journalism in London. After completing her master's degree, she first worked for the financial technology company Fractal Labs. She then moved into consulting at the international communications agency Fleishman Hillard, where she worked for clients in the financial services, automotive and technology sectors.
Max Narr – Berlin
Max Narr is a co-founder and general partner of the Berlin-based venture capital fund Blue Forest Ventures, which focuses on international deep-tech investments. Previously, he served as managing director and chief investment & strategy officer at the Sanity Group. Most recently, as a strategic advisor, he led the group’s sale to the Canadian company Orgranigram Global Inc. for EUR 250 million and serves on its supervisory board. He began his professional career at the IBU-tec Group, where he held various positions until 2020. Max Narr is a fully qualified lawyer (Humboldt University of Berlin), a graduate of the Global Executive MBA program at INSEAD Business School, and regularly serves as a guest lecturer in the fields of deep tech and innovation.
