Index
Jack Clark @ Anthropic
Verdictunverifiable95%
2 checks · 5/11/2026⚠ Headline unverifiable — 1 high-relevance source unverifiable, 1 high-relevance source confirmed.
1 → unverifiable; dissent: 1 → confirmed
Our claim
entire record- Person
- Jack Clark
- Role
- Co-founder, Head of Policy
- Role Type
- career
- Start Date
- January 2021
- Is Founder
- Yes
- Notes
- Co-founded Anthropic; leads policy and societal impacts work
Source evidence
2 src · 2 checksunverifiable95%Haiku 4.5 · 5/11/2026
NoteRe-check. Previous verdict: confirmed. Verdict changed.
confirmed95%Haiku 4.5 · 5/1/2026
NoteThe source confirms all key fields in the record. Jack Clark is listed as a co-founder of Anthropic (mentioned in the founders list and in the Notable employees section). He is identified as 'head of policy' in the Notable employees section. The company was founded in 2021, which matches the startDate of 2021-01. The source does not provide a specific month for when Jack Clark joined, but the founding date of 2021 is consistent with the claimed startDate of 2021-01. All core claims are directly supported by the source text.
Case № O8pTg-CfxXFiled 5/11/2026Confidence 95%