Nir Polak, Angel Investor

Nir Polak is a cybersecurity entrepreneur and investor with nearly two decades of experience. He co‑founded Exabeam, where he serves as Chairman, and is a Venture Partner at SignalFire, supporting early‑stage technology companies. He also holds leadership and advisory roles across the industry, including at WhiteRabbit, Clutch Security, Dig Security, and YL Ventures, where he helps drive innovation in threat detection and enterprise security. As an angel investor, Nir has backed at least nine early‑stage companies in cybersecurity and enterprise technology. His portfolio includes investments in Clutch Security, Nagomi Security, Vorlon, Descope, Protect AI, Dig Security, runZero, and Vicarius, reflecting his focus on empowering security teams with scalable, next‑generation tools.