← Back to PeopleResearcherSimon GuoResearcher at Thinking Machines LabLinkedIn@simonguoziruiWebsiteSimon Guo is a researcher building AI systems.1Mentions1Articles1OutletsCompanies CoveredApplied Compute1Inferact1Modal1OpenRLHF1Perplexity AI1Prime Intellect1SemiAnalysis1Thinking Machines Lab1verl1vLLM1ArticlesMost recent firstMentioned InReferenced in coverageSemiAnalysis on RL bottlenecksSemiAnalysisneutralJun 17, 2026“Thinking Machines Lab researcher providing feedback on RL infrastructure analysis.”