Center for AI Safety Action Fund — Headquarters: Washington, DC

Note: While the additional context provided states that CAIS AF is 'DC-based' and CAIS itself is in San Francisco, the source text excerpt from action.safe.ai does not explicitly confirm or deny the headquarters location. The source discusses CAIS AF's mission, approach, and policy priorities but does not address its physical headquarters location. Since the source does not directly address this specific claim, it cannot be used to verify or contradict it.