Vishnu Rajeev

berkeley, ca

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welcome aboard

Hi, I'm Vishnu.

I study applied math, statistics, and data science at UC Berkeley, with a minor in history.

I work on making AI systems safer and more reliable: post-training, evaluations, and guardrails for agents that touch real systems.

what i'm doing right now

  • Series A Stealth StartupResearch EngineerBuilding backend infrastructure from zero and post-training open-source models. Under NDA.
  • Berkeley NetSys LabStudent ResearcherGuardrails and agent evals for AI that modifies critical systems code.
  • Independent ResearchResearcherBehavior analysis through hierarchical agentic evals. Going to NeurIPS 2026!
  • UC BerkeleyStudentApplied math, statistics & data science, graduating 2027.