Lennart Heim — Description: Compute governance researcher at RAND Corporation. Also affiliated with Epoch AI and GovAI. Expertise in AI compute supply chains, hardware-enabled governance mechanisms, and compute measurement. Authored cautious analysis of HEM limitations.

NoteThe claim makes specific assertions about Lennart Heim's role ('compute governance researcher at RAND Corporation'), affiliations ('Epoch AI and GovAI'), and expertise areas. While the publications listed are consistent with expertise in AI compute, hardware governance, and related topics, the source provided is only a publications page and does not contain the biographical/descriptive information needed to verify the claim's specific statements about his position, affiliations, or expertise focus. The source confirms he works at RAND and has relevant publications, but cannot verify the full description, affiliations, or the 'cautious analysis of HEM limitations' claim.