# clm_BE01520CC1C3

subject: Anthropic (/record/anthropic.md)  
predicate: founder  
value: Jack Clark  
valid_from: 2021-01-26  
valid_to: null  
published: 2026-10-26  
recorded: 2026-11-01  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-01  
cite: AsOf. "Anthropic founder: Jack Clark", as of 2021-01-26. Claim clm_BE01520CC1C3, https://asof.is/claim/clm_BE01520CC1C3, accessed 2026-11-08. Source: https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm.  
checked: 2026-11-01 · its source page states the value and the date  

> Jack Clark co-founded Anthropic in January 2021 and leads the Anthropic Institute, an effort to share research from across Anthropic with external partners and the public, working together to address the biggest questions posed by powerful AI systems.

What https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm says, word for word.

## Sources

- https://www.wikidata.org/wiki/Q116758847 (secondary, Wikidata)
- https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm (primary, published 2026-10-26)

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