Jörg Leinenbach has been with IBU-tec since January 2015. Since then, he went on to lead the Group as CEO with a special emphasis on the value-adding processes and also manages the commercial side of the Group. 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.
Since 2000, Ulrich Weitz has built the company into its current form and successfully led it to the stock market. As CEO, he was responsible for the entire IBU-tec Group until 2023. He then accompanied the company as Chairman of the Supervisory Board. He has been back on the Executive Board since November 1, 2024 and, as the company's Chief Product Officer (CPO), is focusing on the growth area of battery materials.
As division head, Dr. Nico Zobel is responsible for the Service and Products Business Unit at IBU-tec. With a doctorate in energy and process engineering, he is responsible for pre-sales, sales and operations.
![[Translate to English:] Dr. Stefan Schwarz, Division Manager Kathodenmaterial](/fileadmin/user_upload/Ueber_uns/Management/IBUTEC_X_Portraits_1596_Web_sRGB.jpg "[Translate to English:] Dr. Stefan Schwarz, Division Manager Kathodenmaterial")
Guiding the Central Cathode Materials Division from innovation to execution, Dr. Stefan Schwarz (PhD Chemistry), blends his leadership in development and production with a chemist's precision. This unique combination makes him a pivotal force in establishing the strategic alliances that are central to IBU-tec's vision.
Supervisory Board
The supervisory board of IBU-tec meets several times a year to discuss the company's activities and management decisions.
Sandrine Cailleteau / Paris / Chairwoman of the Supervisory Board
Sandrine Cailleteau became a member of 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 / Deputy Chairman
Dr. Jens Thomas Thau is a specialist in labor law and has served as a member of the supervisory board (deputy-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 joined the Supervisory Board in 2023. She currently works at General Motors as Communication Manager Europe and previously advised international clients in the financial services, automotive, and technology sectors on communication strategy at the Omnicom PR Group in Paris. After completing her studies in European Politics and International Journalism in London, where she earned a master’s degree, she began her career in the communications department of the fintech company Fractal Labs before moving to the communications agency Fleishman Hillard, where she quickly took on responsibility for various client projects.
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.