Oli Harris

Oli Harris is the Managing Director at Venturebeam, an early-stage venture capital firm based in London, United Kingdom. Before transitioning to venture capital, he co-founded the technology startup Synthesio, which was successfully acquired by the research firm Ipsos in 2017 for a valuation exceeding $100 million. At Venturebeam, Harris oversees a portfolio of over 20 companies and manages more than £50 million in investments, frequently collaborating with prominent European accelerators like Seedcamp and Entrepreneur First. In his current capacity, he recently led a £3 million seed funding round for the artificial intelligence startup Clustro in March 2025 and spoke on European venture trends at Web Summit Lisbon. Educated at the University of Manchester, Harris currently focuses on backing pre-seed to Series A founders across the SaaS, fintech, developer tools, and climate tech sectors.