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FounderMethod SecurityAmerican
Sean Hacker
Co-founder & CTO, Method Security
About
Sean Hacker is the co-founder and CTO of Method Security, where he leads engineering on the company's autonomous cyber platform for U.S. government and defense customers. Before Method, he spent more than seven years at Palantir Technologies as a Senior Architect and Forward Deployed Engineer, embedding with national security and Fortune 500 customers to build production deployments of Foundry and Gotham. He left Palantir in 2023 to start Method with Sam Jones and Daniel Kelly.
Previous roles
- Senior Architect & Forward Deployed Engineer, Palantir Technologies
Notable work
- Trust a Model to Reason, Never to Act (2026), a Method Security engineering essay on deterministic guardrails for autonomous offensive-cyber systems
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