Supervisory Board
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Chairman of the Supervisory Board
Dr. Peter Greiner
Dr. Peter Greiner is a scientist and entrepreneur, focusing on fertility and stem…
Dr. Peter Greiner is a scientist and entrepreneur, focusing on fertility and stem-cell-therapies, with over 15 years of experience in the pharmaceutical industry. He is a biochemist by training and an award-winning professor for marketing and sales at Goethe Business School by choice. Dr. Greiner started his career at Merck KgaA, Darmstadt, Germany, where he held roles of increasing responsibility in consulting, marketing, sales and R&D. His career has included key roles such as Director Business Unit Fertility, Endocrinology & General Medicine Germany, Head of the CEO Office at Merck Group, Regional Business Lead Fertility EMEA and Global Program Lead Fertility R&D. Before starting his own company, Dr. Greiner was Senior Vice President and Head of the Global Fertility Franchise at Merck Healthcare.
Dr. Greiner is fluent in German, English, and Spanish, and has lived and worked in various countries, including the USA, Colombia, Switzerland, and the UAE.
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Deputy Chairman of the Supervisory Board
Dr. Tobias Silberzahn
Dr. Tobias Silberzahn is a trained biochemist and immunologist and has worked in the life sciences and healthcare space for more than 15 years. The focus areas of his work have been healthcare innovation and the digital transformation of healthcare.
Dr. Tobias Silberzahn is a trained biochemist and immunologist and has worked in the life sciences and healthcare space for more than 15 years. The focus areas of his work have been healthcare innovation and the digital transformation of healthcare.
Currently, Tobias is working as an independent advisor and board member, for example as a Senior Fellow for BSt Gesundheit, a daughter organization of the Bertelsmann Foundation, where the focus of his work is on trustworthy online health information. In addition, he is working with the Grameen organization that was founded by Nobel Prize winner Muhammad Yunus: Tobias is a supervisory board member of Grameen Healthtech Limited and advisory board member of the Yunus Environment Hub.
Furthermore, Tobias works with FH Europe Foundation as a Patient Ambassador and a member of the International Lipoprotein(a) Task Force, focusing on improving health and wellbeing for people affected by inherited lipid disorders .
Tobias holds a PhD in immunology from King’s College London and a diploma in biochemistry from Eberhard-Karls-Universität Tübingen (Germany).
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Member of the Supervisory Board
Frank Köhler
Frank Köhler was born in Pforzheim, Germany, in 1964. Mr. Köhler graduated fro…
Frank Köhler was born in Pforzheim, Germany, in 1964. Mr. Köhler graduated from the University in Stuttgart in 1996 with a degree in technical economics (techn. Dipl.- Kfm.). After his studies, he worked in different management positions in merchandising such as Loriot Design GmbH. In 2000, he joint Aroma Company, a distributor of high-end beauty and perfume products.
In 2005, he became co-owner and Director of the company, renamed Aroma Company Köhler, Frank und Weckesser, Frank GbR. Mr. Köhler expanded this business and founded Aroma Beauty and co-founded Aroma Company GmbH in the following years. Both companies are developers of perfume brands and distributors of high-end beauty and perfume products to leading perfumeries and life-style shops throughout Europe. Mr. Köhler is an expert for branding and marketing in the luxury sector.
Since 2017, he has also been managing director of the perfume brand HUMIECKI & GRAEF GmbH. He has been member of the Supervisory Board since the establishment of Shop Apotheke Europe N.V. in 2016 and was elected to the Supervisory Board of FamiCord AG by the 2017 Annual General Meeting.
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Member of the Supervisory Board
Michał Kwiatkowski
He currently works as Investment Professional at AOC, joined in 2022…
He currently works as Investment Professional at AOC, joined in 2022. From 2017-2020, worked at EQMC Fund (part of Alantra), focusing on investments in European small and mid-cap companies. Michal started his career in management consulting at BCG and Simon-Kucher & Partners. Held entrepreneurial management roles in the healthcare and automotive sectors.
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Member of the Supervisory Board
Konrad Miterski
Konrad Miterski graduated from the University of Economy in Katowice in 1996 …
Konrad Miterski graduated from the University of Economy in Katowice in 1996 with a degree in banking and finance and Advanced Management Program organized by IESE Business School. He started his career at ING Bank Śląski with positions in corporate and risk departments. In 2013 he joint Ferrum SA, steel pipes producer, where he became CEO. Since 2020, he has been Vice President and CFO of Herkules SA, one of the largest entities in Central and Eastern Europe, providing services in the field of crane rental. He is the independent member of the Supervisory Boards and audit committees in several companies listed on the Warsaw Stock Exchange including PBKM SA, where he was appointed as Vice Chairman of the Supervisory Board in 2017.
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Member of the Supervisory Board
Paul Owsianowski
Paul Owsianowski is Partner of Active Ownership Capital S.à r.l and Active …
Paul Owsianowski is Partner of Active Ownership Capital S.à r.l and Active Ownership Corporation S.à r.l. (AOC). He has more than 10 years of investment experience and has held different board seats during this time. Mr Owsianowski holds a Master degree in Financial Mathematics (distinction) from Durham University and a German Diploma in International Business from Berlin School of Economics and Law.
He started his career with Evercore’s M&A team in London where he worked on a variety of transactions as well as strategic advisory mandates, mostly in the healthcare and technology space. He then joined a London based technology focused private equity fund as part of the founding team where he was involved in a number of transactions in the IT services and software space. Mr Owsianowski is part of AOC since 2017.
updated: June 2026