Mark Lewis

Mark Lewis is an early-stage technology investor and advisor based in London, United Kingdom. He previously held investment roles and served as a director at MMC Ventures, where he developed deep domain expertise in enterprise software, fintech, and artificial intelligence. Throughout his extensive career, Lewis has invested in more than 20 companies, participating alongside prominent firms like Balderton Capital, and backing notable portfolio successes such as ThoughtMachine and Synthesia. In early 2024, he joined a climate tech fund as an advisor and subsequently participated in a £10 million Series A funding round for the AI startup Graphcore in the first quarter of 2025. Maintaining an active industry presence with speaking engagements at London Tech Week, Lewis currently focuses on bridging capital markets and early-stage founders operating within the SaaS, artificial intelligence, and climate technology sectors.