AI People Wiki

Builders & open source

Lianmin Zheng

Member of Technical Staff, xAI

Website and profiles

  • Member of Technical Staff; inference lead (homepage), xAI12
  • Co-founder, LMSYS12

Lianmin Zheng's homepage says he is a member of technical staff at xAI leading the inference team for Grok, after a PhD at UC Berkeley advised by Ion Stoica and Joseph E. Gonzalez. Zheng co-founded the nonprofit LMSYS.org. The site lists SGLang, FastChat, Alpa, FlexGen, and contributions to vLLM, plus Vicuna, Chatbot Arena, and LMSYS-Chat-1M.12

At a glance

Current roles
Member of Technical Staff; inference lead (homepage) +1 more
Companies
xAI, LMSYS
Education
University of California, Berkeley
Work listed
2
Sources cited
2
Profile reviewed

Accomplishments

  • SGLang1
  • Chatbot Arena1
  • Vicuna1
  • LMSYS.org1

Open models and serving

Zheng is a first author of "SGLang: Efficient Execution of Structured Language Model Programs" (NeurIPS 2024) and a first author of "Chatbot Arena: An Open Platform for Evaluating LLMs by Human Preference" (ICML 2024).12

Work and contributions

  • SGLang Open-source code

    First author of the NeurIPS 2024 SGLang paper on structured language-model programs.12

  • Chatbot Arena Open data

    Co-first author of the ICML 2024 Chatbot Arena paper.12

Where they work

  • xAI 11 people in the wiki
  • LMSYS 4 people in the wiki

Suggest a correction or removal

Profiles cover public professional work only, and each statement cites a source. If something is out of date, missing or wrong, tell us and link a source. People can also ask for their profile to be corrected or removed.

References

2 sources · profile reviewed Oct 25, 2026 · data updated Oct 25, 2026

  1. Lianmin Zheng — homepageLianmin Zheng · Official page · accessed Oct 25, 2026
  2. Lianmin Zheng — publicationsLianmin Zheng · Official page · accessed Oct 25, 2026