Guy Gamzu is the Founder and Managing Director of Cubit Investments. See sector focus and contact routes.
Guy Gamzu is the Founder and Managing Director of Cubit Investments, an early-stage venture capital firm he established in 1998 in Tel Aviv to back technology startups after previously founding the digital advertising company Sizmek Technologies. His investment thesis targets pre-seed and seed-stage ventures across enterprise software, cybersecurity, consumer technology, AI, fintech, healthtech, and sustainable technologies, with a primary geographic focus on Israel. Gamzu typically provides seed funding as a lead investor, leveraging over two decades of operational experience to guide portfolio companies toward acquisitions or public offerings. Notable portfolio companies include the freelance marketplace Fiverr, trading platform eToro, mobile gaming firm MoonActive, and fraud detection company Fraud Sciences. He also serves as a board member or co-founder at several of these firms, including Fiverr, eToro, and Spike, reflecting deep operational involvement beyond capital provision. While no public writing or distinctive published point of view is cited in available sources, his profile emphasizes a strategy of combining early capital with hands-on operatio
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