Personnel: Lennart Heim at Epoch AI (Researcher)

NoteThe source is about Epoch AI itself and confirms it is a research organization. However, the source text provided is a public-facing website excerpt focused on research outputs, data products, and expert testimonials. It does not contain any personnel roster, staff listings, or biographical information about individual researchers. The specific claims about Lennart Heim (person name, role as Researcher, employment dates 2022–2023) cannot be verified or contradicted from this source material. To verify these personnel details, a source that explicitly lists staff members or provides biographical information about Lennart Heim would be required.