Jiri Heinonen

Entrepreneur & Angel Investor

📍 Finland🔄 Updated September 2026💼 9 investments📅 3 years investing🗓 Last invested Apr 2026
VC🌍 FinlandInvested this year
9
Total investments
4
Early stage
0
Mid stage
1
Late stage
3y
Years active

Portfolio

9 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Pre-seed Investor & Board member
Apr 2026
Investor & advisor
Mar 2025
Clair is an AI-powered buying tool for retail assortments that tells you what and how much to buy to meet your customer demand. Whether you’re a retailer choosing from hundreds of brands and thousands of SKUs, or a brand deciding on volumes and store assortments for a new collection, Clair makes planning simple, fast, and grounded in data. Unlock direct P&L impact by investing more in bestsellers, less in slow-movers, and optimizing your variant mix.
Investor & advisor
Feb 2025
We are building the world’s leading AI-engineer for vibration analysis. We help facility operators and monitoring engineers overcome the burden of endless notifications and alerts, directly increasing machine reliability. Contact us to discuss how our AI-engineer can help you reduce downtime caused by unexpected mechanical failures and save time on repetitive monitoring analysis.
CO-Founder & Board Member
Apr 2024
Swappie is the leading online destination for buying and selling refurbished iPhones in Europe. Since launching in 2016, we have grown to ~800 talents and €208M annual revenue - and this is just the beginning! We empower our customers all over Europe to choose environmentally friendly and affordable ways to upgrade their smartphones. Buy smart, not new; thats how we change consumer behavior in Europe and soon worldwide. Our values are endless optimism, highest standards, customer focus, and connect. They guide us in the decisions and actions we take every day. Global sustainability and startup awards recognize our growing model and aspiration in solving critical sustainability issues, including being listed by Financial Times as the fastest-growing company in Europe, the Finnish Innovation Funds award for contribution to the circular economy, and appearing on Wireds list of hottest startups in Helsinki. Sounds like the place for you? If yes, you are invited to take a once-in-a-lifetime learning and development opportunity in a unique growth setting. You will have the support of a highly talented and committed diverse team of 70+ nationalities. We welcome you to join us in our meaningful mission of making refurbished electronics mainstream. Check out our career page and open positions: https://careers.swappie.com/
Investor & Advisor
Jun 2023
Realm is a search engine for the workplace reimagined with AI. Find anything across tools, get answers in seconds, and build AI assistants grounded in your company’s knowledge. Founded in Helsinki, Realm is backed by Lifeline Ventures and the founders of Zalando, Supercell, Snyk, Wolt, Pigment, Aiven, and more. We’re a team of friendly, ambitious nerds on a mission to build tools that spread knowledge. Join us: https://bit.ly/realm-careers.
Investor & advisor
May 2023
We are helping you to dress more mindfully. Download the ROBES app from AppStore and Google Play.
Investor & advisor
Jan 2023
Arca is a one-stop platform that allows users to curate the Internet and explore content tailored to their interests. Our mission is to eliminate constant context switching, irrelevant feeds, and the need for platform-hopping, creating a more harmonious and intentional online experience. Get early access through arca.so! Funding via Crunchbase Pre-seed US$ 1.2M
Investor & Advisor
Jan 2023
Search, compare, request, and purchase recycled and bio-based plastics quickly with competitive prices. Ambio saves you time and money by managing sourcing, procurement, and transportation.
Experience · 12 entries
All (12)
Investments (8)
Founder (3)
Board (1)
2026
Pre-seed Investor & Board member
Apr 2026
2025
Founder
Sep 2025
A network for entrepreneurs building in stealth. Submit your information here so investors can find you: harmonic.ai/get-discovered
Investor & advisor
Mar 2025
Clair is an AI-powered buying tool for retail assortments that tells you what and how much to buy to meet your customer demand. Whether you’re a retailer choosing from hundreds of brands and thousands of SKUs, or a brand deciding on volumes and store assortments for a new collection, Clair makes planning simple, fast, and grounded in data. Unlock direct P&L impact by investing more in bestsellers, less in slow-movers, and optimizing your variant mix.
Investor & advisor
Feb 2025
We are building the world’s leading AI-engineer for vibration analysis. We help facility operators and monitoring engineers overcome the burden of endless notifications and alerts, directly increasing machine reliability. Contact us to discuss how our AI-engineer can help you reduce downtime caused by unexpected mechanical failures and save time on repetitive monitoring analysis.
Venture Partner (Finland)
Feb 2025
node.vc is an early-stage venture capital firm investing in groundbreaking technology start-ups.
Show all 12 entries ↓
Investment activity
2023–2026 · 9 investments
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