Grace Cassy
InvestorPartner & Executive Chair of Security Trust and Resilience Network at Ten Eleven
About
Grace Cassy is a Partner at Ten Eleven Ventures, focusing on seed and early-stage investments in cybersecurity, resilience, and defense technology, including in Israel, and serves as Executive Chair of the firm's Security Trust and Resilience (STAR) network. She previously co-founded CyLon, an early-stage investor in security startups, and spent ten years in the UK Government, including advising Prime Minister Tony Blair on foreign policy and national security. She later acted as an external reviewer for the UK Government's 2025 Strategic Defence Review.
Invests in
CybersecurityDefense Tech
Colleagues at Ten Eleven
Frequently asked questions
- Where does Grace Cassy work?
- Grace Cassy is Partner & Executive Chair of Security Trust and Resilience Network at Ten Eleven.
- What does Grace Cassy invest in?
- Grace Cassy invests in Cybersecurity, Defense Tech.



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