Current Firm
Graph Ventures
Investments
2+ companies
Focus
Fintech, Marketplace
Sebastien de Halleux is a serial entrepreneur-operator who co-founded Playfish (one of the earliest social gaming studios), Saildrone (autonomous ocean data drones), and Field AI (field autonomy for robots), giving him hands-on experience building products across consumer gaming, ocean tech, and AI robotics rather than coming from a traditional finance background. He maintains a distinctive philosophy that there is no such thing as a low-quality user, only a low-quality experience, focusing on product quality and user delight over short-term monetization tactics.
Sebastien de Halleux is a Founding General Partner, Graph Ventures at Graph Ventures, based in Brussels, Belgium.
Sebastien's investment focus spans Fintech, Marketplace, Enterprise, EdTech, Deeptech, AI, DevTools, Web3, SaaS, primarily investing at the Pre-Seed, Seed, Series A, Series B+ stages. This specialization allows for deep domain knowledge and strong network effects that benefit portfolio companies.
Notable investments in Sebastien's portfolio include Dapper Labs, Hinge. These companies reflect a pattern of backing high-potential startups across their focus sectors.
Sebastien de Halleux is a Founding General Partner, Graph Ventures at Graph Ventures, based in Brussels, Belgium. Their investment focus includes Fintech, Marketplace, Enterprise.
Sebastien de Halleux focuses on investments in Fintech, Marketplace, Enterprise, EdTech, Deeptech, AI, DevTools, Web3, SaaS through Graph Ventures. These focus areas reflect their domain expertise and the types of startups they actively seek to back.
Sebastien de Halleux's notable portfolio investments include Dapper Labs, Hinge. These companies span multiple sectors and stages, reflecting a track record of identifying high-potential startups.
Sebastien de Halleux is currently at Graph Ventures, headquartered in Brussels, Belgium, serving as Founding General Partner, Graph Ventures.