Arik Kleinstein is a Co-Founder and Managing Partner at Glilot Capital Partners. See contact routes.
Arik Kleinstein is a Co-Founder and Managing Partner at Glilot Capital Partners, an Israeli venture capital firm he launched in 2011 to apply his 25+ years of experience from the early days of Israel’s startup ecosystem to investment decisions and portfolio support. He primarily invests in early-stage B2B enterprise software companies, with a distinctive focus on cybersecurity, while also covering AI, developer tools, and cloud infrastructure. Glilot’s sweet spot is Series A rounds, though the firm also operates a seed-stage fund, and Kleinstein has participated in over 40 early-stage enterprise software investments. Notable portfolio companies include cybersecurity firms IntSights, Solebit, and Protego Labs, for which Kleinstein served on the board, as well as Porticor and Mitiga where he currently holds board positions. As one of the earliest investors in cybersecurity, Kleinstein emphasizes backing Israeli founders building enterprise software and has helped drive 19 Glilot-backed companies to acquisition since the fund’s inception. He brings deep operational expertise from prior executive roles in US-based Israeli tech companies (ECtel, VideoCode
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