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Personnel: Leopold Aschenbrenner at OpenAI (Researcher, Superalignment Team)

Verdictpartial75%
1 check · 4/9/2026

The source confirms Leopold Aschenbrenner worked at OpenAI (past tense: 'used to work'), and the essay heavily discusses superalignment, which aligns with the claimed role. However, the source does not explicitly confirm his title as 'Researcher' or his specific assignment to the 'Superalignment Team.' The document is dated June 2024, which is consistent with an end date of April 2024 (he may have left shortly before publication). The start date of 2023 is not addressed in the source. The core facts (person, org, general field) are confirmed, but specific role details and dates are not explicitly stated.

Our claim

entire record
Role
Researcher, Superalignment Team
Role Type
career
Start Date
2023
End Date
April 2024
Is Founder
No
Notes
Worked on OpenAI's superalignment team; fired in April 2024 after raising security concerns internally

Source evidence

1 src · 1 check
partial75%Haiku 4.5 · 4/9/2026

NoteThe source confirms Leopold Aschenbrenner worked at OpenAI (past tense: 'used to work'), and the essay heavily discusses superalignment, which aligns with the claimed role. However, the source does not explicitly confirm his title as 'Researcher' or his specific assignment to the 'Superalignment Team.' The document is dated June 2024, which is consistent with an end date of April 2024 (he may have left shortly before publication). The start date of 2023 is not addressed in the source. The core facts (person, org, general field) are confirmed, but specific role details and dates are not explicitly stated.

Case № b8QYRrOAJpFiled 4/9/2026Confidence 75%