Tobias Citron
Partner, Cybersecurity·Primary Venture Partners
Bio
Professional summary
Tobias Citron is Partner, Cybersecurity at Primary Venture Partners. His official profile frames cybersecurity in an AI world as an existential issue and argues for companies that go beyond incremental solutions. Before Primary, he helped build Radicle Labs, a private markets research firm spun out of Prehype. He earned an MBA from Wharton and an AB in Public Policy from Princeton, and his profile describes him as research-driven and attracted to founders solving complex technical problems with precision.
Investment focus
Stage, sector, and overall fit
Stage
Sector
Thesis
Notable companies
Selected portfolio companies the partner has backed
How to approach
Framing and angles for outreach
Pitch framing
Lead with the specific AI-era security risk your company addresses, why existing tools are inadequate, and the technical reason your approach can become foundational. He is likely most relevant for founders with strong security, identity, infrastructure, or data-risk depth rather than broad security tooling.
Partneralization hooks
- 1Reference his thesis that AI-era cybersecurity needs non-incremental solutions.
- 2Connect to Eos Cyber if pitching identity, agentic AI governance, or access-risk reduction.
- 3Mention his research-driven background if the pitch includes strong market mapping or threat-model analysis.
Recent signals
What the partner has said or done recently
Primary lists a 2025 seed investment in Eos Cyber, focused on identity security for the agentic era.
His official profile highlights a thesis around cybersecurity risks created or intensified by AI.
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