We invest
in inventors
About us
We are experienced engineers and financial managers venturing as lead investors and active supervisory board members. Closely aligned with a small group of entrepreneurial co-investors and family offices, we back pioneering tech start-ups.
Based on extensive experience, we provide transaction support including exit advisory and execution. As early stage investors, we steer our investments to success and help to bring further investors on board.
Fabian von Kuenheim
Founder, acquired 3 decades experience of entrepreneurship in high tech.
He graduated in mechanical engineering and founded his first company in 1988, a software house for CAD/CAM systems.
Following the merger with the IT Infrastructure Provider Magirus in 1992, Fabian von Kuenheim became majority shareholder and was appointed President and CEO of Magirus AG in 1997.
As board member of the GTDC (Global Technology Distribution Council) he represented the European members of this global industry association.
Following the sale of Magirus to Avnet Inc. (NASDAQ: AVT) in 2012, he specializes in venture capital and growth financing for mid-sized businesses.
As an active investor, Fabian von Kuenheim holds several non-executive board positions at his investment companies.
To this day, he serves as chairman of the board of Bareways and Geolith. He is also active on the board of other companies including up to the recent excit as chairman of Lacon Electronic.
Fabian von Kuenheim is active as a curator of the Fraunhofer Association and has been a long serving member of the advisory board of Commerzbank as well as of the board of trustees of the International School of Stuttgart.
Our focus
Start-up
investment
follows
technological
understanding
We only invest in areas where our group of investors has a significant industrial and entrepreneurial experience:
Automotive – Autonomous Driving, Connected Cars, Navigation Solutions
Energy Transition – Technology for Sustainable Production of Critical Raw Materials
Industry 4.0 – Automated in-factory Logistics, Sensors, Self-Guidance Systems
HMI – Language, Gesture, Body Posture, Emotions
All our investments are located in Germany and France.
Our service
We are
informed
investors
We utilize our extensive network and entrepreneurial knowledge in essential operations for the benefit of start-ups.
Investment Services
We act as lead investor for our network of PE investors.
- We prepare and negotiate investments along with participation agreements for our co-investors, pooling them into SPV (special purpose vehicle) for each of our investments.
- We advise the management of our investment targets with respect to management and employee share option plans.
- We set up participation agreements and offer all kind of conceptual work for the individual participation target.
- Our experienced team of legal tax advisors and notary will provide all necessary services at reasonable costs.
- Based on our network of investors and longstanding experts, we back further financial rounds.
- We actively drive exit processes, including selection of investment banks, contacting of potential acquirer, as well as the preparation of data rooms along with due diligences.
Operational Services
We provide an extensive set of operational support along with services:
- Supervisory Board funtions.
- CFO functions.
- Advice on financial services including accounting, payroll handling, balance sheet preparations together with tax declarations, as well as adjacent services at a reasonable price.
- Advice on organizational structures.
- Reporting system for shareholders.
- Webinars on ERP, invoicing and accounting systems.
- Advice to get easier access to public founding and support programs.
Our portfolio
News
KBR Announces Strategic Investment in Geolith to Accelerate Commercial Deployment of Direct Lithium Extraction
HOUSTON, April 30, 2026 – KBR (NYSE: KBR) has made a strategic investment in Geolith, a global leader in Direct Lithium Extraction (DLE). This investment will support the global commercial deployment of Geolith’s DLE Li-Capt® technology. In 2024, KBR and GeoLith...
DAT increases participation in High-Mobility
DAT is now majority shareholder in High-Mobility High-Mobility provides connected car data from 29 brands Live vehicle data is continuously gaining in importance (04 September, 2025, Ostfildern/Berlin) – Deutsche Automobil Treuhand GmbH (DAT) is increasing its stake...
KBR and GeoLith Enter into an Exclusive Alliance to Offer Advanced, Zero-Emission Lithium Technology Globally
HOUSTON, April 15, 2024 – KBR (NYSE: KBR) announced today it has signed an alliance agreement with GeoLith SAS to offer its advanced Direct Lithium Extraction (DLE) technology, Li-Capt®. This technology enables zero-emission lithium extraction from untapped sources...
Our Team
Fabian von Kuenheim
Fabian von Kuenheim
As a serial entrepreneur and former CEO of Magirus AG, Fabian von Kuenheim focuses on venture capital and growth financing. He has a keen interest in new developments in science with a focus on physics and astro physics. Apart from that, he is an enthusiastic sailor and a connoisseur of wine.
Petra Speidel
Petra Speidel
As experienced CFO of Magirus AG, Petra Speidel now acts as a transaction expert and CFO for Kuenheim Familiaris as well as for several of our participations. She loves driving her Deutz tractor and is up for a good sip of champagne here and there.
Fluent in multiple European languages, she was instrumental in centralizing the European company administration management and debt collection of the Magirus group, thus improving the cash management significantly. At the height of the financial crisis 2009, she was promoted as vice president to the position of CFO. She participated in all strategic decisions of the Magirus group, especially in acquisitions and disinvestments. Her genuine understanding of all aspects of finance, accounting as well as tax and legal matters, makes her a powerful, dynamic and impulse providing CFO not only for Kuenheim Familiaris and our special purpose vehicles, but also for several of our investments.
Saskia Börner
Saskia Börner
With her bright and thoughtful spirit, in good and in challenging times, she is the back rock of all our operations.
As a balance for her professional focus, she likes classical music, and enjoys long walks in the Swiss Alps.
Following a diploma in foreign languages with a focus on economics and legal topics Saskia has a mastery of several European languages.
She won technical insights as a technical documentation translator with a market leading packaging machine manufacturer, assisted to various COOs or CEOs, and worked as Admin and HR executive before she became Executive Assistant to Fabian von Kuenheim with Magirus in 2008. After further stages in larger fast paced international environments she joined Kuenheim Familiaris 2017.
Lobo
Lobo
Lobo joined our team actively in 2020 – and assumed his duties as a team officer with seriousness from the beginning:
Checking availabilities, inspiring a good mood, and filching a snack here and there. But if no pressing duties await, he makes himself comfortable in the CEO office for a long power nap.
Contact
Kuenheim Familiaris GmbH
Eichwiesenring 9
70567 Stuttgart
Germany
Vivian J. Rheinheimer
Photographie und Publikationen
vivian@rheinheimer.org
Große Weinmeisterstraße 14a
14469 Potsdam