Sentinel (Catastrophic Risk Foresight)

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  "llmSummary": "Sentinel is a catastrophic risk foresight organization co-founded by Nuño Sempere and Rai Sur, operating informally from around 2023 and incorporated as a US 501(c)(3) nonprofit in or after late 2024. It combines AI-powered news filtering with probabilistic human forecaster assessment to produce weekly risk briefings. Its multi-stage pipeline parses millions of news items, uses LLMs for triage, and routes flagged signals to forecasters drawn from groups including Samotsvety and Good Judgment. Outputs include a Substack newsletter at blog.sentinel-team.org and the Sentinel Minutes podcast. The organization has approximately \\$700K of a ~\\$1.6M target budget as of November 2025 and has grown its newsletter from 552 to 3,936 subscribers since its first major public fundraise in November 2024.",
  "description": "Global catastrophic risk foresight and early warning organization co-founded by Nuño Sempere, providing weekly risk assessments from experienced forecasters",
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No external links