Lennart Heim — Notable For: Co-authored RAND working papers on hardware-enabled mechanisms for AI governance; leading voice on compute governance policy; cautious about HEM feasibility timelines

NoteThe source confirms that Lennart Heim co-authored a RAND working paper on hardware-enabled mechanisms for AI governance. However, the source does not address: (1) whether he is a 'leading voice on compute governance policy' (unverifiable from this source alone), or (2) his views on 'HEM feasibility timelines' or being 'cautious' about them as of 2026-03 (not discussed in the excerpt provided). The source is from January 2024, predating the 'as of 2026-03' timestamp in the claim. The first part of the claim is confirmed; the latter parts are unverifiable from this source.