Grace Cassy
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Grace Cassy is a Partner at Ten Eleven Ventures, where she focuses on seed and early-stage investments in cybersecurity, resilience, and defense technology, including in Israel. She also serves as Executive Chair of the firm’s Security Trust and Resilience network, a global community of senior security executives. Before joining Ten Eleven, she was Co-Founder of CyLon, where she supported security startup founders globally, and earlier she spent ten years in the UK Government, including as an advisor to Prime Minister Tony Blair on foreign policy and national security. She is known for her work across cybersecurity investing, security and resilience networks, and the intersection of technology and national security.
Updated 9 October 2026
Public sources: 1011vc.com 1011vc.com
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