Nuño Sempere

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  "title": "Nuño Sempere",
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  "lastUpdated": "2026-03-13",
  "dateCreated": "2026-02-15",
  "llmSummary": "Nuño Sempere is a Spanish superforecaster who co-founded the highly successful Samotsvety forecasting group and now runs Sentinel for global catastrophe early warning, while being known for skeptical views on high AI existential risk estimates and critical perspectives on EA institutions. The article provides comprehensive coverage of his work, achievements, and controversial positions within the rationalist/EA community.",
  "description": "Spanish forecaster and researcher who co-founded Samotsvety Forecasting (winning CSET-Foretell by an 'obscene margin') and founded Sentinel, a non-profit for global catastrophic risk early warning. Known for superforecasting expertise, AI timelines analysis, and critical perspectives on Effective Altruism.",
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    {
      "date": "2026-02-18",
      "branch": "claude/fix-issue-240-N5irU",
      "title": "Surface tacticalValue in /wiki table and score 53 pages",
      "summary": "Added `tacticalValue` to `ExploreItem` interface, `getExploreItems()` mappings, the `/wiki` explore table (new sortable \"Tact.\" column), and the card view sort dropdown. Scored 49 new pages with tactical values (4 were already scored), bringing total to 53.",
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No external links