Geoffroy Mestrallet

Co-founder // Kerria AM - Jerikho IM - Florestan - Mineral - Babylon stays - Arioka finance

📍 France🔄 Updated September 2026💼 4 investments📅 4 years investing🗓 Last invested Mar 2026
Operator-angel🌍 FranceInvested this year
4
Total investments
1
Early stage
0
Mid stage
2
Late stage
4y
Years active

Portfolio

4 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Seed investor
Mar 2026
Concord is an AI platform that executes and optimizes media buying across platforms like DV360, Meta and Amazon.
Investor
Jan 2026
Loft builds the space infrastructure that lets any company, government or institution harness the benefits of space. We have developed a standardized satellite platform that can be configured to fly any customer mission. With our own hardware and software abstraction layers on top of a commodity satellite bus, our platform is truly turnkey and plug-and-play.
Investisseur
Mar 2024
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first — ahead of profit. To achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. Our investment in diversity, equity, and inclusion is ongoing, executed through a wide range of initiatives, and championed and supported by leadership. At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.
Seed Investor
Oct 2022
Gigi is an AI-native social graph tool rebuilding how people unlock warm intros, turning your network into a smart and shareable asset. Backed by Sequoia, OpenAI, Khosla & Monashees.
Experience · 12 entries
All (12)
Investments (4)
Founder (8)
2026
Seed investor
Mar 2026
Concord is an AI platform that executes and optimizes media buying across platforms like DV360, Meta and Amazon.
Investor
Jan 2026
Loft builds the space infrastructure that lets any company, government or institution harness the benefits of space. We have developed a standardized satellite platform that can be configured to fly any customer mission. With our own hardware and software abstraction layers on top of a commodity satellite bus, our platform is truly turnkey and plug-and-play.
2025
Co-founder
Jun 2025
Arioka Finance est une société de conseil spécialisée dans les financements dédiés aux entreprises, aux professionnels de l’immobilier et hôtelier. Nous accompagnons nos clients dans la structuration, la recherche et la négociation de leurs financements, avec une exigence constante : proposer des solutions adaptées, optimisées et négociées dans leur meilleur intérêt. Notre expertise couvre : - Structuration de dette / Debt Advisory - Courtage en financements professionnels et immobiliers - Montage de solutions complexes et sur-mesure Nous accompagnons : - Les marchands de biens - Les foncières et asset managers - Les entreprises (TPE, PME, ETI) - L’hôtellerie Nos solutions de financement incluent : - Immobilier professionnel & d’investissement : crédits long terme, crédits in fine, crédit-bail immobilier, refinancement immobilier - Corporate & opérationnel : LBO / OBO / MBO, croissance externe, BFR, CAPEX, investissements, crédit-bail mobilier - Financement de projets hôteliers 📩 Pour en savoir plus sur nos expertises, l’équipe Arioka Finance se tient à votre disposition.
Co-founder
Jan 2025
Babylon est un exploitant d’apparthôtels. Nous concevons des appartements qui allient le confort raffiné d’un boutique-hôtel et la liberté d’un pied-à-terre, au cœur des quartiers les plus vivants. 

 Nous offrons des espaces chaleureux, entièrement équipés et pensés pour les voyageurs d’aujourd’hui.
2024
Co-founder
Sep 2024
Florestan investit dans le private equity, offrant un accès privilégié aux fonds des meilleurs gérants ainsi quaux fonds de continuation européen.
Show all 12 entries ↓
Investment activity
2022–2026 · 4 investments
202212024120262
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