Arthur R.

Studying Agriculture / Angel investor / Ex-CEO Leeto (exit 2024) / Ex-Mckinsey / Polytechnique

📍 France🔄 Updated September 2026💼 9 investments📅 5 years investing🗓 Last invested Apr 2023
Operator-angel🌍 France
9
Total investments
4
Early stage
2
Mid stage
0
Late stage
5y
Years active

Portfolio

9 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Apr 2023
25 millions dappareils électroménagers sont jetés chaque année en France. Un sacré gâchis, vous ne trouvez pas ? Chez Underdog, nous nous sommes donc lancés un défi de taille : reconditionner de lélectroménager à Nantes en France.
early stageRetail
Investor
Jan 2023
Thinkeo is a no-code platform revolutionizing document automation through orchestrated AI agents. Unlike single-AI solutions, Thinkeos multi-agent system enables AI specialization and parallel processing - each agent masters a specific task while working in concert with others. When generating a 50-page technical proposal, one agent analyzes requirements, another extracts case studies, while others handle pricing and technical specifications simultaneously. The platforms intuitive interface lets users build custom AI applications without coding, while its agent architecture ensures perfect coherence across long documents.
Investor
Jul 2022
🌱 WeeFin is revolutionizing sustainable finance. Our SaaS platform empowers financial institutions to build and scale high-impact sustainability strategies—faster, smarter, and with confidence. By unifying ESG data into a single source of truth and enabling seamless collaboration across teams, we help our clients turn regulatory pressure into strategic advantage. 🚀 Since launching oft he platform in 2021, WeeFin has earned the trust of over 40 clients managing nearly €7,000 billion in assets. Backed by an international team based in Paris and London, we’re active in 10 countries and growing fast. In 2025, we raised a €25 million Series B to accelerate our growth, expand our product offering, and scale our impact across global markets. 🥇 Recognized as Best Technological Innovation for ESG (Agefi), Member of the Impact 120 Index (Mouvement Impact France), and awarded Best Data Management Initiative for ESG (Data Management Insight A-team)
Investor
May 2022
Empower Your Healthcare Business: Automate Regulatory Processes and Reclaim Valuable Time!
Investor
May 2022
Looti combines data filters and AI to generate hyper-qualified leads from your CRM ⚡️ Looti leverages your leads and makes you convert business opportunities 💎
Investor
Apr 2022
Leveraging technology to make high performance eco-surfboards.
Investor
Jan 2022
🇺🇸 Billiv is an innovative solution, entirely dedicated to retailers and compatible with all cash register and CRM software on the market. With Billiv, you can : - Increase your customer base: Register more customers, more quickly, while collecting a maximum amount of qualified, usable data. - Build loyalty: reate an intuitive loyalty program or optimize an existing one to strengthen customer relations. - Multiply customer reviews: collect up to 5 times more reviews thanks to an intelligent, fluid customer journey. - Dematerialize receipts: transform the sales receipt into a genuine communication tool, while reducing its environmental impact. - Launch targeted marketing campaigns: create SMS campaigns and push notifications (via mobile wallet) to reach your customers at the right time. -- 🇫🇷 Billiv est une solution innovante, entièrement dédiée aux retailers et compatible avec tous les logiciels de caisse et CRM du marché. Avec Billiv, vous pouvez : - Accroître votre base de clients : enregistrez plus de clients, plus rapidement, tout en collectant un maximum de données qualifiées et exploitables. - Fidéliser efficacement : créez un programme de fidélité intuitif ou optimisez un programme existant pour renforcer la relation avec vos clients. - Multiplier les avis clients : recueillez jusquà 5 fois plus davis grâce à un parcours client intelligent et fluide. - Dématérialiser les tickets de caisse : transformez le ticket de caisse en un véritable outil de communication, tout en réduisant limpact environnemental. - Lancer des campagnes marketing ciblées : créez des campagnes par SMS et notifications push (via mobile wallet) pour toucher vos clients au bon moment.
Investor
Dec 2021
Barooders is Europes largest marketplace for refurbished bikes and high end sports gear. 🚴🇪🇺 Our goal is to make sports sustainable and affordable to all, by bringing trust and quality on the second hand market. ♻️ Together, lets unleash our potential and change the world of sports 💪🚀
Investor
Sep 2021
Join Refty to understand how the best tools and services on the market are used by your industry.
Experience · 11 entries
All (11)
Investments (9)
Founder (2)
2023
Investor
Apr 2023
25 millions dappareils électroménagers sont jetés chaque année en France. Un sacré gâchis, vous ne trouvez pas ? Chez Underdog, nous nous sommes donc lancés un défi de taille : reconditionner de lélectroménager à Nantes en France.
early stageRetail
Investor
Jan 2023
Thinkeo is a no-code platform revolutionizing document automation through orchestrated AI agents. Unlike single-AI solutions, Thinkeos multi-agent system enables AI specialization and parallel processing - each agent masters a specific task while working in concert with others. When generating a 50-page technical proposal, one agent analyzes requirements, another extracts case studies, while others handle pricing and technical specifications simultaneously. The platforms intuitive interface lets users build custom AI applications without coding, while its agent architecture ensures perfect coherence across long documents.
2022
Investor
Jul 2022
🌱 WeeFin is revolutionizing sustainable finance. Our SaaS platform empowers financial institutions to build and scale high-impact sustainability strategies—faster, smarter, and with confidence. By unifying ESG data into a single source of truth and enabling seamless collaboration across teams, we help our clients turn regulatory pressure into strategic advantage. 🚀 Since launching oft he platform in 2021, WeeFin has earned the trust of over 40 clients managing nearly €7,000 billion in assets. Backed by an international team based in Paris and London, we’re active in 10 countries and growing fast. In 2025, we raised a €25 million Series B to accelerate our growth, expand our product offering, and scale our impact across global markets. 🥇 Recognized as Best Technological Innovation for ESG (Agefi), Member of the Impact 120 Index (Mouvement Impact France), and awarded Best Data Management Initiative for ESG (Data Management Insight A-team)
Investor
May 2022
Empower Your Healthcare Business: Automate Regulatory Processes and Reclaim Valuable Time!
Investor
May 2022
Looti combines data filters and AI to generate hyper-qualified leads from your CRM ⚡️ Looti leverages your leads and makes you convert business opportunities 💎
Show all 11 entries ↓
Investment activity
2021–2023 · 9 investments
202122022520232
Recent (last 2 years)Earlier