# Jack Clark AI policy researcher and co-founder of Anthropic, previously policy director at OpenAI. Clark co-authored the AI Index report at Stanford and has been influential in shaping the discourse around AI governance, compute scaling, and the national security implications of foundation models. His work sits at the intersection of [[Effective Altruism]]-adjacent AI safety concerns and the defense-tech establishment, connecting the [[Longtermism]] movement's theoretical concerns to concrete policy advocacy.