{"entities":[{"id":"mustafa-suleyman","name":"Mustafa Suleyman","type":"person"},{"id":"greg-brockman","name":"Greg Brockman","type":"person"},{"id":"john-schulman","name":"John Schulman","type":"person"},{"id":"andrej-karpathy","name":"Andrej Karpathy","type":"person"},{"id":"beth-barnes","name":"Beth Barnes","type":"person"},{"id":"mira-murati","name":"Mira Murati","type":"person"},{"id":"arthur-mensch","name":"Arthur Mensch","type":"person"},{"id":"brad-lightcap","name":"Brad Lightcap","type":"person"},{"id":"karen-simonyan","name":"Karén Simonyan","type":"person"},{"id":"reid-hoffman","name":"Reid Hoffman","type":"person"},{"id":"yun-yeyi","name":"Yun Yeyi","type":"person"}],"claims":[{"id":"schulman-openai-posttraining-2022-2024","subject":"john-schulman","predicate":"held_role","object":{"kind":"entity","entityId":"openai"},"topic":"people","statement":"John Schulman’s biography dates his OpenAI post-training co-lead role to 2022–2024.","time":{"kind":"interval","from":"2022","until":"2024","note":"Retrospective career account supplies these boundaries at the stored precision; no exact joining or departure day inferred."},"derivation":"explicit","resolution":"supported","attributes":{"role":"Post-training co-lead"}},{"id":"karpathy-tesla-director-2017-2022","subject":"andrej-karpathy","predicate":"held_role","object":{"kind":"entity","entityId":"tesla"},"topic":"people","statement":"Andrej Karpathy’s career timeline dates his Tesla Director of AI role to 2017–2022.","time":{"kind":"interval","from":"2017","until":"2022","note":"Retrospective career account supplies these boundaries at the stored precision; no exact joining or departure day inferred."},"derivation":"explicit","resolution":"supported","attributes":{"role":"Director of AI"}},{"id":"eval-i-barnes-arc","subject":"beth-barnes","predicate":"held_role","object":{"kind":"entity","entityId":"alignment-research-center"},"topic":"people","statement":"ARC reports hiring Beth Barnes in 2022 for its evaluation work.","time":{"kind":"interval","from":"2022","note":"Hiring year only; no current continuity or exact end inferred."},"derivation":"explicit","resolution":"supported","attributes":{"role":"Evaluation researcher"}},{"id":"eval-i-barnes-openai","subject":"beth-barnes","predicate":"held_role","object":{"kind":"entity","entityId":"openai"},"topic":"people","statement":"Barnes described leaving OpenAI in summer 2022.","time":{"kind":"interval","until":"2022","note":"The interview specifies summer 2022; the schema retains year precision rather than inventing a day. 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