{"id":"clm_529CD8371AF5","entity":"elevenlabs","predicate":"founder","value":"Mati Staniszewski","value_json":{"note":"Supports withdrawn held row; 'Mateusz' is his full first name. Set valid_from to the founding month.","check":{"on":"2026-10-31","url":"https://elevenlabs.io/blog/elevenlabs-launches-new-generative-voice-ai-products-and-announces-19m-series-a-round-led-by-nat-friedman-daniel-gross-and-andreessen-horowitz","pages":2,"quote":"Mati Staniszewski, CEO and co-founder of ElevenLabs, comments:","outcome":"checked"},"precision":10},"valid_from":"2022-04-01","valid_to":null,"published":"2023-06-20","recorded":"2026-10-31","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-31T00:05:18.252566+00:00","updated_at":"2026-10-31T01:34:09.815629+00:00","sources":[{"url":"https://elevenlabs.io/blog/elevenlabs-launches-new-generative-voice-ai-products-and-announces-19m-series-a-round-led-by-nat-friedman-daniel-gross-and-andreessen-horowitz","tier":"primary","publisher":"ElevenLabs","published_at":"2023-06-20T00:00:00+00:00"},{"url":"https://elevenlabs.io/docs/help-center/other/what-is-eleven-labs","tier":"primary","publisher":"ElevenLabs","published_at":null}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"Mati Staniszewski, CEO and co-founder of ElevenLabs, comments:","url":"https://elevenlabs.io/blog/elevenlabs-launches-new-generative-voice-ai-products-and-announces-19m-series-a-round-led-by-nat-friedman-daniel-gross-and-andreessen-horowitz"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}