Rüdiger Koppelmann

Algen sind das Herzstück unserer Entwicklungen. Aus diesem natürlichen Rohstoff entstehen biologisch abbaubare, recyclingfähige und plastikfreie Materialien als Alternative zu fossilen Kunststoffen und Beschichtungen. So helfen wir, den CO₂-Fußabdruck und die Umweltbelastung entlang der Wertschöpfungskette deutlich zu senken. Für eine plastikfreie Zukunft. Powered by Algae.

Wir machen Mehrweg einfach - mit einem Mehrwegsystem für vorverpackte Lebensmittel. Für Konsument*innen und Hersteller*innen.

At the moment, we are seeking talented individuals for several key roles, including Co-Founder/CTO, Founding Engineer, and Working Students. If you or someone you know would be a great fit to collaborate with us, please take a look at our openings or share this information. ToysReloved collects pre-loved children toys from households and facilitates their online sale. The donor receives a share of the sales price, while low-value toys are donated to social institutions. Our AI-enabled multi-channel platform and partner network fuels the circular economy for toys.

Gauss ML provides an intelligent copilot that helps you efficiently find the ideal parameter for your industrial machines. Getting the most out of your machines is no easy task. An expert operator can easily turn a handful of knobs to improve a machine’s performance but will struggle to build a mental model of the complex effects between the many parameters of several machines. Dont operate your expensive machinery at 80% performance. Well help you get the most out of your machines.

We are revolutionizing oat milk production! Our Oater machine produces fresh, high-quality, sustainable oat milk with local ingredients at the point of sale to reduce CO2 emissions caused by transport and packaging.

Algen sind das Herzstück unserer Entwicklungen. Aus diesem natürlichen Rohstoff entstehen biologisch abbaubare, recyclingfähige und plastikfreie Materialien als Alternative zu fossilen Kunststoffen und Beschichtungen. So helfen wir, den CO₂-Fußabdruck und die Umweltbelastung entlang der Wertschöpfungskette deutlich zu senken. Für eine plastikfreie Zukunft. Powered by Algae.

Wir machen Mehrweg einfach - mit einem Mehrwegsystem für vorverpackte Lebensmittel. Für Konsument*innen und Hersteller*innen.

At the moment, we are seeking talented individuals for several key roles, including Co-Founder/CTO, Founding Engineer, and Working Students. If you or someone you know would be a great fit to collaborate with us, please take a look at our openings or share this information. ToysReloved collects pre-loved children toys from households and facilitates their online sale. The donor receives a share of the sales price, while low-value toys are donated to social institutions. Our AI-enabled multi-channel platform and partner network fuels the circular economy for toys.

Gauss ML provides an intelligent copilot that helps you efficiently find the ideal parameter for your industrial machines. Getting the most out of your machines is no easy task. An expert operator can easily turn a handful of knobs to improve a machine’s performance but will struggle to build a mental model of the complex effects between the many parameters of several machines. Dont operate your expensive machinery at 80% performance. Well help you get the most out of your machines.

STS Ventures concentrates all business angel activities of Cologne-​based serial entrepreneur and successful investor Stephan Schubert. Having founded and exited 4 own companies, Stephan is a serial entrepreneur in the German internet industry. Since the rise of the internet in Europe in the late 90s, he has been investing in numerous technology-​driven startups and has built an outstanding track record. He is one of the most active, connected, and experienced business angels in Germany. If you are looking for a genuine entrepreneur who has overcome obstacles similar to those you may face in the future and if you could benefit from honest advice and timely feedback, we are the right partner for you.