Mario Mazzone

Mario Mazzone is an Associate at Keyhorse Capital based in London, United Kingdom, where he focuses on early-stage technology investments. Before joining the venture firm in early 2024, he worked as an investment analyst at Cambridge Associates and held various positions in strategy consulting. He holds a degree from Bocconi University and has contributed to early-stage investments in more than five portfolio companies during his current tenure. Operating within the broader European startup ecosystem alongside peers from firms like Atomico and Balderton Capital, he recently participated in a March 2025 seed round for a climate tech startup and spoke at a November 2025 venture capital event. Mazzone primarily concentrates his deal sourcing, due diligence, and portfolio support efforts on emerging founders building innovative technology companies within the fintech, climate tech, and deep tech sectors.