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Joseph E. Gonzalez

UC Berkeley professor whose group built Gorilla and the Berkeley Function Calling Leaderboard

Joseph E. Gonzalez is an associate professor in EECS at UC Berkeley working at the intersection of machine learning and computer systems, and a founding member of the Sky Computing Lab, LMSYS and RISELab. With students and collaborators, Gonzalez has worked on systems including Gorilla and the Berkeley Function Calling Leaderboard (BFCL), Chatbot Arena, SGLang, MemGPT, vLLM, Ray Serve, Ray Tune and GraphLab. Gonzalez is a co-author of the Gorilla and vLLM papers and an advisor to LMSYS; current research spans AI agents, post-training and new neural architectures.12584

Work

This profile covers public professional work only, from the sources below. It is not an endorsement or a ranking. To correct or remove it, use the correction form.

Sources · reviewed Oct 13, 2026

  1. 1.
    Joseph E. Gonzalez (Joey) — Gonzalez Group at UC Berkeley (external site: people.eecs.berkeley.edu)

    Gonzalez Group (UC Berkeley EECS) · Official page · accessed Oct 13, 2026

  2. 2.
    Biography · Joseph E. Gonzalez, UC Berkeley (external site: people.eecs.berkeley.edu)

    Gonzalez Group (UC Berkeley EECS) · Official page · published Oct 7, 2026 · accessed Oct 13, 2026

  3. 3.
    Research Through the Years — Gonzalez Group (external site: people.eecs.berkeley.edu)

    Gonzalez Group (UC Berkeley EECS) · Official page · accessed Oct 13, 2026

  4. 4.
    About LMSYS (officers and advisors) (external site: lmsys.org)

    LMSYS · Official page · accessed Oct 13, 2026

  5. 5.
  6. 6.
    Berkeley Function Calling Leaderboard (BFCL) V4 (external site: gorilla.cs.berkeley.edu)

    Gorilla project (UC Berkeley) · Official page · accessed Oct 13, 2026

  7. 7.
    ShishirPatil/gorilla repository (Apache-2.0 license) (external site: github.com)

    Gorilla (GitHub repository) · Repository · accessed Oct 13, 2026

  8. 8.
  9. 9.
    vllm-project/vllm repository (Apache-2.0 license) (external site: github.com)

    vLLM (GitHub repository) · Repository · accessed Oct 13, 2026

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