Investment Team

Our Team - Combining the Best Mix of Strategy, Finance & Execution

Rainer W. Fröhlich - Founder & Managing Partner

Rainer is the Founder and Managing Partner of CONSTELLATION. He began his career with McKinsey & Co. in Switzerland, where he led various strategic and operational studies. He left McKinsey to join the CEO of AEG-Daimler Benz to lead a highly regarded and later implemented strategic study regarding electronic and wireless applications in future Mercedes Benz products. Furthermore, he was Founder and Head of the Corporate Development of Daimler's industrial activities (AEG) with more than 300 companies.


Responsible for over 1'000 employees within various operative roles in Marketing & Sales, Research & Development, and Production, he was critical in the restructuring, reorientation and successful sale of the mobile solutions arm of the Daimler Benz group to MATRA Communication, today EADS, cooperating with Nokia and Alcatel. He then teamed up with the CEO and eventual Chairman of the Bertelsmann Media Group as Deputy Head of Corporate Development before founding and building CONSTELLATION.

Rainer emphasizes working closely with entrepreneurs and business owners. His focus lies on Management Buyouts and Buy-&-Build Cases in asset light industries. Due to his passion for entrepreneurial investing Rainer and the CONSTELLATION team work closely with portfolio companies to build market leaders in fragmented markets.

Rainer majored and researched in Climatology and Nanotechnology at the Swiss Federal Institute of Technology. He also holds international patents in mobile communication and is fluent in English, German, French as well as some basic Italian and Spanish.


Raffael Rupprechter - Principal & CFO

Prior to joining CONSTELLATION, Raffael gained over 11 years of experience as an investment professional. He started his career as Analyst at Cross Equity Partners and was ultimately promoted to Partner and CFO. He was responsible for various buy-out projects in the DACH region. As a Partner, he was involved in the entire investment lifecycle from acquisition to strategic development and exit and served as advisor and board member of several portfolio companies. In his role as CFO, he was responsible for IT, accounting, tax, regulatory and compliance of the Cross group.

Raffael holds a bachelor’s degree in Business Administration and a master’s degree in Banking & Finance from the University of St. Gallen as well as a CEMS master’s degree in International Management.


Stefan Jochum - Investment Director

After joining CONSTELLATION, Stefan was appointed as CFO of the first portfolio company of the CONSTELLATION V Fund, the Swiss E-Mobility Group AG to develop the framework for a buy & build strategy. After the exit, Stefan returned to CONSTELLATION and now manages the financial side of the portfolio companies.


Stefan started his career in 2015 at Wegmüller AG, a renowned family business in Switzerland. He began working as an assistant to the CEO and was later promoted to CFO and CPO. He optimized the business’ cost structure as well as the gross profit margin by implementing efficient purchasing processes and reporting systems before seeking new challenges within the private equity industry.


Stefan holds a bachelor’s degree in business administration from Duale Hochschule Baden-Württemberg. Additionally, he has completed a CAS in Accounting & Controlling from the University of St. Gallen.


Theresa Dick - Investment Manager

Theresa joined CONSTELLATION as an Associate and has since been promoted to Investment Manager. In May 2019 Theresa joined the Board of Directors of CONSTELLATION V GP S.à r.l.


Before joining CONSTELLATION Theresa worked on the capital market in equities. She started her career as a financial analyst in equity research for Bankhaus Lampe in Düsseldorf, where she was responsible for covering German medical device and pharmaceutical stocks. She later joined HSBC as an equity sales associate where she sold European equities to institutional investors, both on the secondary market but also being actively involved in the book building process for various IPOs on the primary market. Witnessing the role private equity investors play in financing options, Theresa re-oriented her career to get involved in private equity transactions.


Theresa holds a Bachelor of Science in Management & Strategy, as well as a Master of Science in Strategy & International Business from Aston University (UK).


Louis Theiler - Investment Manager

Louis ist seit 2022 als Investment Manager für CONSTELLATION tätig, nachdem er bereits im Jahr 2018 nach seinem Studium als Analyst für CONSTELLATION gearbeitet hatte.

Bevor er zu CONSTELLATION kam, arbeitete Louis bei einem führenden Multi-Family Office in Zürich und Singapur, wo er für Private Market Investments und Corporate Finance Advisory zuständig war. Davor sammelte Louis Erfahrung bei einem auf den DACH-Raum spezialisierten Private Equity Fund im Raum Zürich sowie einer M&A Advisory Boutique mit Fokus auf E-Commerce & TMT. Seine Karriere begann Louis ursprünglich im Sales Trading bei einer Schweizer Investment Bank.

Louis hat einen Bachelor-Abschluss von der Universität St. Gallen sowie einen MSc in Finance & Investments von der Rotterdam School of Management.


Noah Weber - Analyst

Prior to joining CONSTELLATION Noah worked at Franz Haniel & Cie. as a Private Equity/M&A Investment Analyst and gained capital market experience at a hedge fund after starting his career in the manufacturing industry at Hilti AG in Liechtenstein.

During his bachelor's degree he studied Business Administration at the University of St. Gallen and the Rotterdam School of Management.


David Fürsich – Analyst

David joined CONSTELLATION as an Analyst after he gained M&A experience advising CONSTELLATION on several successful acquisitions. Prior to that, he gained experience in portfolio & asset management and worked in a tech-startup.


David holds a bachelor’s degree in Banking & Finance from the University of Zurich.


Anton Kallenbach - Analyst

Prior to joining CONSTELLATION, Anton gained deal experience in M&A where he supported CONSTELLATION on various acquisitions. He also gained experience in management consulting & risk management practices.

Anton holds a bachelor’s degree in Business Administration from the University of St. Gallen, including a semester abroad at ESSEC Business School in Paris.