Alex Doll is the Founder and Managing General Partner of Ten Eleven Ventures. See sector focus and contact routes.
Alex Doll is the Founder and Managing General Partner of Ten Eleven Ventures, the first venture capital firm dedicated exclusively to cybersecurity, where he leverages prior experience co-founding PGP Corporation and working in security operating roles. The firm invests globally and is stage-agnostic, covering early-to-growth stages across the cybersecurity, enterprise security software, and data privacy sectors with a focus on Five Eyes nations and allies. Typical check sizes range from $1 million to $15 million, with Signal listing a specific range of $3.0M to $15.0M for Doll’s investments. Notable portfolio companies include Darktrace, KnowBe4, Hexadite (acquired by Microsoft), and Cylance (acquired by BlackBerry), with the firm achieving six exits including Ping Identity and Twistlock. Doll was appointed to the Board of Directors of the US National Venture Capital Association in 2025 to improve IPO access and bring a cybersecurity perspective to national security policy. The firm differentiates itself by investing in “defending AI” systems and privacy technologies while providing technical coaching and curated retreats for portfolio founders
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