Jade (Lei) Yu
Jade (Lei) Yu

AI Research Scientist

About Me

I’m a research scientist at Meta Superintelligence Labs, in the Fundamental AI Research (FAIR) pillar. I work on Large Language Models (LLMs) and AI Agents. My current work includes:

  • Frontier LLM Development: I work on mid-/post-training of Meta’s Muse model family, focusing on agentic reinforcement learning for coding and tool use tasks.

  • Fundamental LLM Research: I lead and conduct research projects covering topics like long-horizon reinforcement learning, recursive self-improvement, and computational world models. Previously I also published work on multimodal reasoning, safety post-training, and hallucination mitigation.

I received my PhD in Computer Science from the University of Toronto, where I studied automated understanding and generation of creative language use. During my PhD, I was fortunate to intern at Meta FAIR and Google Research.

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Interests
  • Large Language Models
  • Agentic Reinforcement Learning
  • Synthetic Data Generation
  • Multimodal Reasoning
  • AI Safety and Alignment
Education
  • PhD in Computer Science

    University of Toronto

  • MSc in Computer Science

    University of Toronto

  • BSc in Computer Science and Statistics

    McGill University