Etienne Leroy

Venture Builder & Operating Executive | I turn ideas into operating companies for families and funds | Founder, operator, investor | €10M+ raised, 12 angel investments

📍 Greater Boston, United States🔄 Updated September 2026💼 14 investments📅 11 years investing🗓 Last invested Jun 2024𝕏 @upgrade_to_unlock
Operator-angel🌍 United States
14
Total investments
6
Early stage
5
Mid stage
3
Late stage
11y
Years active

Portfolio

14 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Jun 2024
Livetrend provides data-driven trend analysis and competitive intelligence for fashion. Leveraging Big Data and AI, we help having bestseller collections and less unsold goods, in order to maximize business and reduce ecological impact..
Board Member
Nov 2023
☀️ La French Tech Côte dAzur (FTCA) est un mouvement collectif, qui rassemble les entrepreneurs et acteurs de lécosystème qui contribuent à la croissance des startups sur le territoire azuréen. 4 associations contribuent au développement de lécosystème #FrenchTech sur le territoire : 🔹 Cannes is Up (Cannes et Pays de Lerins) 🔹 Club des Entrepreneurs de Grasse (Pays de Grasse) 🔹 NiceStartsUp (Métropole Nice Côte dAzur) 🔹 Télécom Valley (Sophia Antipolis) 👉 Notre mission : identifier, accompagner et accélérer les startups et scaleups de la Côte dAzur.
Investor
May 2023
🚀 Remma est la première marketplace de dispositifs médicaux d’occasion dédiée aux professionnels de santé. Notre plateforme permet aux médecins, cliniques et établissements de santé d’acheter et de revendre du matériel médical révisé, fiable et économique, tout en favorisant une approche d’économie circulaire. 🌍 En donnant une seconde vie aux équipements médicaux, nous contribuons à rendre la santé plus accessible, durable et responsable, tout en accompagnant les professionnels dans leurs besoins quotidiens en dispositifs médicaux. --- 🚀 Remma is the leading marketplace for refurbished medical devices, designed exclusively for healthcare professionals. We help doctors, clinics, and healthcare institutions buy and resell reliable, cost-effective equipment — while driving the shift towards a circular economy in healthcare. 🌍 By giving medical devices a second life, we make healthcare more accessible, sustainable, and responsible, supporting professionals with the tools they need every day.
Investor
Mar 2023
🚀Engagement 360: lalliance Sport & Santé, Solidarité, RSE et Communication pour mobiliser vos collaborateurs ! Impact Manager/ RSE/Marque Employeur - Bouge ton Good ! Gandee est une plateforme SaaS – Solidarité as a service – qui aide les TPE/PME/ETI à développer leur RSE et marque employeur à travers le mécénat et le partage de bonnes pratiques et défis RSE. Gandee permet facilement, quelle que soit la taille de l’entreprise: ✅ De choisir l’association qui correspond aux valeurs et métier de l’entreprise à travers un portefeuille d’associations répondant à une charte de qualité et de confiance. ✅ De collecter des dons en tant qu’entreprise engagée, d’inviter votre communauté à participer (collaborateurs, clients, fournisseurs) et d’augmenter votre impact. ✅ De bénéficier d’outils personnalisés à votre marque afin de communiquer avec votre écosystème sur votre engagement (communication interne et externe) pour valoriser et mesurer l’impact de vos actions solidaires. ✅ De bénéficier de conseils, défis RSE et Calendrier RSE pour améliorer vos engagements en continu et engager de façon ludique votre écosystème. En un mot, on s’occupe de tout pour vous. S’engager n’a jamais été aussi facile. Nous transformons votre raison dêtre en raison dagir :-) 🎁 Nous sommes aussi un système de cagnottes solidaires 100% dédiées aux associations : nous vous accompagnons aussi pour rendre vos événements ponctuels solidaires (team building solidaires, challenge sportifs, don cadeau, don donboarding, anniversaires, mariage, naissance, deuil...) Pour les associations, nous sommes un outils de collecte de don et un label Do Good by SGS. Parlons de vos enjeux 📅 Prendre un rdv : https://calendly.com/gandee Label #Finance Innovation, #FrenchImpact, 1er au classement #Zei). Nous reversons un % de notre CA à nos associations partenaires. Grand Prix de la Philanthropie Forum du Patrimoine. Trophée RSE French Tech. @STATION F batch 7 @Village by CA @Accélerateur Allianz
Investor
Nov 2022
Entrepreneurship in the service of the climate emergency! We identify, fund, and launch 100 companies designed and structured from start to finish to combat greenhouse gases. Our mission: > identify high-impact innovations; > recruit experienced entrepreneurs to transform these innovations into companies with solid business models; > inject financial resources to maximize and accelerate deployment. All innovations are made available as open source. Every euro raised is used to combat climate change. Any individual or organization can join the effort starting at €1 on our website (in just a few minutes) and take concrete action, on a global scale, against climate change. Everything is detailed (and you can contact us) at team-planet.com
Investor
Oct 2022
Make sure your family can get your digital currency and digital data back. Secure the transmission of your digital wealth with Legapass, The most secure & 100% French solution 🇫🇷 🔒 Military grade cryptography 🤫 Total confidentiality 🛡️ Offline safe 🧑‍⚖️ Secure transmission 🔐 EAL5+ certified storage ﹠ FIPS 140-3 Level 3 ﹠ NATO Restricted level Dont let your accounts end up in the hands of a hacker! 👉 Sign up for free at https://legapass.com
Board Member
Jun 2022
Nice Start(s) Up réunit les chefs d'entreprises de l'innovation de Nice et sa Métropole. Il fait partie de l'élan French Tech Côte d'Azur. Nice Start (s) Up gathers Nice Côte d’Azur area innovation leaders and their companies, and is part of the French Tech Riviera initiative.
Investor
Jun 2022
Carsup was born in 2019 following a very simple observation: Every owner of an exceptional car, old or modern, encounters difficulties in the management, storage, maintenance, in the purchase, sale and even, in the use of his/her car. These complexities appear at different times and in different forms: - Buying or selling their car and getting rid of the associated hassles (insurance, financing, registration, etc.). - Finding a secure, practical storage place near their home with services of Maintenance in Operational Condition in order to have a car ready to drive, 24/24h 7/7. - Choosing a reliable partner and avoiding players who sometimes charge prohibitive prices for mediocre quality services. - Fully enjoying this object of pleasure and avoiding all these questions (when, where, with whom, how, etc.), which are detrimental to the very essence of their passion: driving. Relieving collectors of these constraints is the sole objective of Carsup. Our commitment is simple: to allow you to own and enjoy your exceptional car with complete peace of mind. "Pleasure without constraints" This promise is based on 3 pillars: - Transparency, with fair prices and clear pricing. - Quality of the services, with trained, dedicated and rigorous teams - Innovation, with high-end tools, including a mobile application allowing owners to manage their cars and associated services with transparent access to all information. From secure car parks with private parking spaces, to mechanical maintenance and repairs, administrative tasks or even brokerage, Carsup is committed to finding the most appropriate solution for your automotive needs. Thanks to these fundamentals and with more than 1000 cars under management, Carsup is Europe largest luxury car park and concierge service.
mid stageAutomotive
Investor & Advisor
Oct 2019
Greenly is on a mission to democratize access to science-backed climate intelligence, transforming sustainability from a compliance burden into a strategic competitive advantage. In a world where sustainability once meant costly consultants, manual data entry, and static PDF reports, Greenly makes climate action accessible, precise, and actionable for everyone: from SMEs to global enterprises. Our all-in-one sustainability suite centralizes everything from carbon management and LCAs to ESG & CSRD reporting, backed by 4000+ delivered GHG reports, 10+ ESG frameworks, and a supplier platform engaging over 5,000 partners. Trusted by 3,500 clients in 25 countries, Greenly combines science-backed precision, with access to 300k+ emission factors and methodologies aligned with the GHG Protocol, ISO, and SBTi—with expert guidance from 70+ climate professionals, ensuring every company builds credible strategies and becomes smarter about climate as they go. Designed with efficient tech and intuitive UX, Greenly streamlines sustainability operations with integrations across 100+ softwares, automated quality controls, and real-time data visualizations, earning us top ratings (4.9 G2, 4.8 Capterra, 4.6 Trustpilot). Greenly empowers companies to own their climate expertise in-house and collectively drive impact toward our bold goal: avoiding 1 billion tons of CO₂ by 2030.
Investor & Advisor
May 2019
AceUp is the leading global provider of Human-Centered Leadership™ development solutions for individuals and teams. AceUp helps global, innovative, and purpose-driven organizations build high-performing teams at scale, upskilling leaders at all levels to lead transformation in a VUCA world. We combine 1-on-1 and team coaching, AI-powered micro-learning, and prescriptive analytics to maximize team alignment, engagement, and performance at scale. Are you unlocking your teams full potential? Learn more about how to fuel the success of your teams at all levels.
Investor & Advisor
Jan 2019
Carbide makes enterprise-class security and privacy accessible to fast-growing companies. Unlike “checkbox”-style compliance solutions, our information security and privacy management platform is based on universal best practices to enable customers to create, promote, and prove their commitment to security no matter which security framework or privacy regulation they wish to comply with. By making it easy to embed security and privacy into the DNA of your organization, Carbide can help sharpen your competitive edge and accelerate your company’s growth trajectory. To learn more about how we can help no matter where you are in your security journey, visit www.carbidesecure.com.
Investor & Advisor
Aug 2018
About Meenta: Meenta was born out of the idea that life science and diagnostics could greatly benefit from the technological revolution that has forever changed the way we shop, dine, vacation, and catch a ride. Grounded in technology and sitting at the intersection of supply and demand, the Meenta marketplace brings together the widest array of testing products and laboratory services combined with world-class scientific expertise and clinical oversight all in one place. Meenta exists to completely revolutionize the way the world accesses diagnostic testing and laboratory capabilities. Our vision is to make all of the world’s scientific equipment and clinical tests accessible to everyone. Any test. Any time. One marketplace.
Investor
May 2015
OtoSense deploys AI-Driven Sensing Interpretation software, designed to run in real time at the edge to recognize events and identify anomalies. OtoSense is used mostly on complex machines, in challenging environments where safety, scalability and reliability are not optional. OtoSense is used on ground and airborne vehicles as well as on critical industrial assets.
Investor
Jan 2015
We turn action sports into a big online game - play Tony Hawk Pro Skater in the real world vs. the TV screen. We created the WOO - an innovative wearable for action sports that measures things like airtime, jump height, g-force, slope conditions, among many other key metrics. The collected data is transmitted to the iOS and Android app and the cloud which creates value for three sets of customers: Consumers: Create an exciting mobile experience for action sport participants through gamification and social media. The collected data will allow us to create online leaderboards, competitions, challenges, and build an engaged social media community - turn action sports into an online game Media: Enhance media and event formats with quantified data. Action sports are still judged by the human eye, we bring it to the next level. The action sports ecosystem is long overdue for an objective score. Brands: Build closer connections between brands and their customers by delivering meaningful data about who their customers are, and allowing them to sell and promote product through our platform. For press inquiries please contact: eric@woosports.com
Experience · 16 entries
All (16)
Investments (14)
Founder (2)
Board (2)
2024
Investor
Jun 2024
Livetrend provides data-driven trend analysis and competitive intelligence for fashion. Leveraging Big Data and AI, we help having bestseller collections and less unsold goods, in order to maximize business and reduce ecological impact..
2023
Board Member
Nov 2023
☀️ La French Tech Côte dAzur (FTCA) est un mouvement collectif, qui rassemble les entrepreneurs et acteurs de lécosystème qui contribuent à la croissance des startups sur le territoire azuréen. 4 associations contribuent au développement de lécosystème #FrenchTech sur le territoire : 🔹 Cannes is Up (Cannes et Pays de Lerins) 🔹 Club des Entrepreneurs de Grasse (Pays de Grasse) 🔹 NiceStartsUp (Métropole Nice Côte dAzur) 🔹 Télécom Valley (Sophia Antipolis) 👉 Notre mission : identifier, accompagner et accélérer les startups et scaleups de la Côte dAzur.
Investor
May 2023
🚀 Remma est la première marketplace de dispositifs médicaux d’occasion dédiée aux professionnels de santé. Notre plateforme permet aux médecins, cliniques et établissements de santé d’acheter et de revendre du matériel médical révisé, fiable et économique, tout en favorisant une approche d’économie circulaire. 🌍 En donnant une seconde vie aux équipements médicaux, nous contribuons à rendre la santé plus accessible, durable et responsable, tout en accompagnant les professionnels dans leurs besoins quotidiens en dispositifs médicaux. --- 🚀 Remma is the leading marketplace for refurbished medical devices, designed exclusively for healthcare professionals. We help doctors, clinics, and healthcare institutions buy and resell reliable, cost-effective equipment — while driving the shift towards a circular economy in healthcare. 🌍 By giving medical devices a second life, we make healthcare more accessible, sustainable, and responsible, supporting professionals with the tools they need every day.
Investor
Mar 2023
🚀Engagement 360: lalliance Sport & Santé, Solidarité, RSE et Communication pour mobiliser vos collaborateurs ! Impact Manager/ RSE/Marque Employeur - Bouge ton Good ! Gandee est une plateforme SaaS – Solidarité as a service – qui aide les TPE/PME/ETI à développer leur RSE et marque employeur à travers le mécénat et le partage de bonnes pratiques et défis RSE. Gandee permet facilement, quelle que soit la taille de l’entreprise: ✅ De choisir l’association qui correspond aux valeurs et métier de l’entreprise à travers un portefeuille d’associations répondant à une charte de qualité et de confiance. ✅ De collecter des dons en tant qu’entreprise engagée, d’inviter votre communauté à participer (collaborateurs, clients, fournisseurs) et d’augmenter votre impact. ✅ De bénéficier d’outils personnalisés à votre marque afin de communiquer avec votre écosystème sur votre engagement (communication interne et externe) pour valoriser et mesurer l’impact de vos actions solidaires. ✅ De bénéficier de conseils, défis RSE et Calendrier RSE pour améliorer vos engagements en continu et engager de façon ludique votre écosystème. En un mot, on s’occupe de tout pour vous. S’engager n’a jamais été aussi facile. Nous transformons votre raison dêtre en raison dagir :-) 🎁 Nous sommes aussi un système de cagnottes solidaires 100% dédiées aux associations : nous vous accompagnons aussi pour rendre vos événements ponctuels solidaires (team building solidaires, challenge sportifs, don cadeau, don donboarding, anniversaires, mariage, naissance, deuil...) Pour les associations, nous sommes un outils de collecte de don et un label Do Good by SGS. Parlons de vos enjeux 📅 Prendre un rdv : https://calendly.com/gandee Label #Finance Innovation, #FrenchImpact, 1er au classement #Zei). Nous reversons un % de notre CA à nos associations partenaires. Grand Prix de la Philanthropie Forum du Patrimoine. Trophée RSE French Tech. @STATION F batch 7 @Village by CA @Accélerateur Allianz
2022
Investor
Nov 2022
Entrepreneurship in the service of the climate emergency! We identify, fund, and launch 100 companies designed and structured from start to finish to combat greenhouse gases. Our mission: > identify high-impact innovations; > recruit experienced entrepreneurs to transform these innovations into companies with solid business models; > inject financial resources to maximize and accelerate deployment. All innovations are made available as open source. Every euro raised is used to combat climate change. Any individual or organization can join the effort starting at €1 on our website (in just a few minutes) and take concrete action, on a global scale, against climate change. Everything is detailed (and you can contact us) at team-planet.com
Show all 16 entries ↓
Investment activity
2015–2024 · 14 investments
201522018120193202242023320241
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