← Back to PeopleJHResearcherJiafan HeResearcher at NVIDIAResearcher at NVIDIA focused on data engineering and AI projects1Mentions1Articles1OutletsCompanies CoveredDeepSeek1NVIDIA1ArticlesMost recent firstMentioned InReferenced in coverageNVIDIA builds open-source Nemotron-Cascade 2 to enable scalable post-training for reasoning, coding, and agent workflowsNVIDIA ResearchpositiveMar 24, 2026“Co-author on the Nemotron-Cascade 2 paper; reviewed and scored model-generated solutions for IMO 2025 as a gold medalist at IMO 2015.”