Diede Mink van den Ouden has been active on the stock exchange for 20 years. In 2002, he bought his first shares on the market. He has been a professional investor since 2008. His knowledge and experience enable him to manage the constantly changing market conditions well. Started as trader, he now has a proven track record more as an investor in listed companies.
In addition to his investment activities, he regularly played an advisory role to the management of other listed companies.
Then he became a CEO himself. From December 2022 to January 2025, he was CEO of Lavide Holding NV, a listed ‘shell company’. He successfully led a reorganization and ensured a good future for the company by finding the right partner in Haerlem Capital. Since Oct 2024 he is the CEO of Tonner Drones, and in June 2025 he joined TME Pharma.
Read his letter to shareholders here: Shareholderletter
Van den Ouden is the reference shareholder because he bought 20M shares in the market and invested another €568.000 by exercising BSA. He now owns over 13% of the shares of Tonner Drones. Van den Ouden also invested around €3,4M in the company through debt financing.
He has decided to waive his management fee in 2025, because his vision is that first performances had to be delivered by management.
Van den Ouden is also CEO at TME Pharma NV, a Dutch biotech company listed at Euronext Growth Paris.
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Fabrice AUGEREAU is an engineer, he previously worked as a Project Manager on industrial projects (for customers such as Thales, Airbus, Airbus Helicopters) and intelligent robot projects (for Scalian, Deltadrone), on a fixed-price (commitment to results), and managed teams of up to 40 people. He has successfully completed complex projects in critical environments (aeronautical standards) and with highly constrained projects. Building on this experience, he created TRL39 in 2022 to develop solutions for measuring the health of territories.
He is an former member of the DeltaDrone R&D department. He was instrumental in setting up the infrastructure to continue R&D and resume production activities. As one of the creators of the inventory robot solution, he has been working since the end of 2024 on retrofitting the robots and preparing the new version of the solution. His wide-ranging expertise in autonomous systems, vision, software and AI will be assets in providing the Board of Directors with an informed technical view.
Arnoud Jullens is an entrepreneurial executive with a track record in (re-)structuring organizations, introducing and scaling products and services in the B2B and B2C markets. Arnoud combines a strategic helicopter view with a hands-on mentality. He received his MBA from the Amsterdam Business School, and held several leading positions within both scale-up and corporate environments in The Netherlands and abroad.
Olaf Graeff has been active in the financial sector since 1998. As an independent trader, he has always been intrigued by small and micro-cap companies. He actively contributed to the refinancing of the Dutch pharmaceutical company Pharming and the semiconductor company Rood Technology, formerly listed on the Dutch stock exchange. Over the past two decades, he has also been involved in numerous other companies in France, Belgium, the Netherlands, the United Kingdom, and Portugal.