Gregor Stühler

Building the Network That Powers the Future of Trade

📍 Germany🔄 Updated September 2026💼 4 investments📅 4 years investing🗓 Last invested Feb 2025
Operator-angel🌍 Germany
4
Total investments
3
Early stage
1
Mid stage
0
Late stage
4y
Years active

Portfolio

4 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Angel Investor
Feb 2025
fonio is building the AI communication suite for small and medium businesses; so no call goes unanswered, no lead gets lost, and no customer is left waiting. What we do SMBs lose business every day to missed calls and slow responses. fonio puts AI on the front line of customer communication — handling calls and messages automatically, 24/7, without adding headcount. Our products → AI Phone Agent — answers, qualifies, and routes calls around the clock → AI WhatsApp Agent — keeps conversations moving on the channel your customers already use 9,000+ businesses across Europe run on fonio. Why join us Were a small team shipping fast from Vienna — building software that thousands of real businesses rely on every day. If you want your work to matter from day one and help define how AI changes SMB operations, fonio is the place. Were seed-funded, scaling fast across Europe, and hiring across 35+ open roles: from engineering and product to sales and marketing. Come build with us.
Angel Investor
Aug 2022
Blockbrain: The AI Transformation Platform for Enterprises. About Us: Blockbrain is an AI platform that empowers organizations to harness their collective knowledge and transform it into a powerful competitive advantage. Our innovative platform is designed to: • Automate key business processes • Enhance internal collaboration • Significantly boost efficiency and profitability What Sets Us Apart? AI-Powered Solutions: Our advanced artificial intelligence technology combines process optimization, automation and knowledge management. Security: We prioritize data protection, collaborating with leading cybersecurity experts to ensure the highest level of security for your sensitive information. Ethical AI: Our solutions are developed and implemented with a strong focus on ethical AI practices, guided by specialists in the field. At Blockbrain, were committed to helping your team work smarter, faster, and more securely. Let us help you unlock the full potential of your organizations knowledge and processes.
Angel Investor
Mar 2022
GlassDollar is the operating system for corporations to purchase innovative solutions. Our marketplace of startup solutions and Innovation Project (PoC) management software help innovation teams to leverage (source, manage, and successfully scale) impactful startup solutions within their organisations. By leveraging data and automation, we empower and streamline corporations’ activities throughout the whole innovation journey. From identifying new innovation opportunities within the organisation, to sourcing the best solution providers, and managing all stakeholders within the projects, our software enables innovation units to run higher quality PoCs and create real, measurable business impact.
Angel Investor
Jan 2022
Powering the next generation of AI applications with advanced and high-performant vector similarity search technology. Qdrant is an open-source vector search engine. It deploys as an API service providing a search for the nearest high-dimensional vectors. With Qdrant, embeddings or neural network encoders can be turned into full-fledged applications for matching, searching, recommending, and much more. Make the most of your Unstructured Data!
Experience · 6 entries
All (6)
Investments (4)
Founder (2)
2025
Angel Investor
Feb 2025
fonio is building the AI communication suite for small and medium businesses; so no call goes unanswered, no lead gets lost, and no customer is left waiting. What we do SMBs lose business every day to missed calls and slow responses. fonio puts AI on the front line of customer communication — handling calls and messages automatically, 24/7, without adding headcount. Our products → AI Phone Agent — answers, qualifies, and routes calls around the clock → AI WhatsApp Agent — keeps conversations moving on the channel your customers already use 9,000+ businesses across Europe run on fonio. Why join us Were a small team shipping fast from Vienna — building software that thousands of real businesses rely on every day. If you want your work to matter from day one and help define how AI changes SMB operations, fonio is the place. Were seed-funded, scaling fast across Europe, and hiring across 35+ open roles: from engineering and product to sales and marketing. Come build with us.
2022
Angel Investor
Aug 2022
Blockbrain: The AI Transformation Platform for Enterprises. About Us: Blockbrain is an AI platform that empowers organizations to harness their collective knowledge and transform it into a powerful competitive advantage. Our innovative platform is designed to: • Automate key business processes • Enhance internal collaboration • Significantly boost efficiency and profitability What Sets Us Apart? AI-Powered Solutions: Our advanced artificial intelligence technology combines process optimization, automation and knowledge management. Security: We prioritize data protection, collaborating with leading cybersecurity experts to ensure the highest level of security for your sensitive information. Ethical AI: Our solutions are developed and implemented with a strong focus on ethical AI practices, guided by specialists in the field. At Blockbrain, were committed to helping your team work smarter, faster, and more securely. Let us help you unlock the full potential of your organizations knowledge and processes.
Angel Investor
Mar 2022
GlassDollar is the operating system for corporations to purchase innovative solutions. Our marketplace of startup solutions and Innovation Project (PoC) management software help innovation teams to leverage (source, manage, and successfully scale) impactful startup solutions within their organisations. By leveraging data and automation, we empower and streamline corporations’ activities throughout the whole innovation journey. From identifying new innovation opportunities within the organisation, to sourcing the best solution providers, and managing all stakeholders within the projects, our software enables innovation units to run higher quality PoCs and create real, measurable business impact.
Angel Investor
Jan 2022
Powering the next generation of AI applications with advanced and high-performant vector similarity search technology. Qdrant is an open-source vector search engine. It deploys as an API service providing a search for the nearest high-dimensional vectors. With Qdrant, embeddings or neural network encoders can be turned into full-fledged applications for matching, searching, recommending, and much more. Make the most of your Unstructured Data!
2015
CEO and Founder
Feb 2015
Scoutbee drives better business outcomes by giving companies the actionable insights they need to perfect the supply base and advance strategic initiatives, such as risk management, ESG and innovation. The Scoutbee Intelligence Platform (SIP) uses graph technology and predictive and prescriptive analytics to deliver holistic supplier visibility that helps procurement make confident supplier decisions, drive cross-functional efficiency, and optimize their existing technology investments. Scoutbee’s AI-powered data foundation connects teams to any data point – internal, external, third-party, and more – and any data combination necessary to orchestrate a resilient, competitive, and sustainable supply base. Scoutbee is a global company with employees from 20+ countries. Learn more at https://scoutbee.com, and follow us on LinkedIn, Twitter and YouTube.
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Investment activity
2022–2025 · 4 investments
2022320251
Recent (last 2 years)Earlier