Researcher

Li Juanzi

Also known as Juanzi Li

Li Juanzi is a computer scientist whose research interests include knowledge engineering and the semantic web. She helped found Zhipu AI in 2019, a company whose early work focused on knowledge graphs. KoLA, a benchmark she co-authored, measures the world knowledge of large language models. Z.ai, formerly known as Zhipu AI outside China, held its IPO in Hong Kong in January 2026. As of October 2026, she is a professor at Tsinghua University and principal of the Knowledge Engineering Group.

Now at
Tsinghua University and Department of Computer Science and Technology
Works
538
Citations
15,053
h-index
57

Publication numbers from OpenAlex, as of 15 October 2026.

Timeline

  1. 2000

    A doctorate at Tsinghua

    At Tsinghua University, she earns a PhD in computer science and technology in 2000.

  2. 2001

    Joining Tsinghua's computer science department

    In 2001 she joins the Department of Computer Science and Technology at Tsinghua. Her research interests include knowledge engineering and the semantic web.

  3. 2009–2017

    Two second-class science prizes

    In 2009 she wins the second-class Wang Xuan Award for Science and Technology Achievement in News Domain. In 2017 she receives the second-class Beijing Science and Technology Progress Award.

  4. 2015

    Semantic mining of social networks

    Semantic Mining of Social Networks, written with Jie Tang, is published in 2015.

  5. June 2019

    Co-founding Zhipu AI

    Among the core founders, she helps found Zhipu AI in June 2019, when AMiner is spun off from a Tsinghua laboratory. Its co-founders initially focus the startup on knowledge graphs.

  6. 2024

    A benchmark of world knowledge

    KoLA, a benchmark of world knowledge in large language models, appears at ICLR 2024 with her among the authors.

  7. January 2026

    An IPO in Hong Kong

    Z.ai, formerly known as Zhipu AI outside China, holds its IPO on the Hong Kong Stock Exchange in January 2026.

  8. As of October 2026

    A professor and group principal

    As of October 2026, she is a professor in Tsinghua's Department of Computer Science and Technology and principal of the Knowledge Engineering Group.

Sources and credits

Photo: We have no published photo of Li Juanzi yet. Send us a free-licensed photo.

  1. Juanzi LI-Department of Computer Science and Technology, Tsinghua University cs.tsinghua.edu.cn. Checked 15 October 2026.
  2. Juanzi Li (Li, Juanzi) 's Homepage keg.cs.tsinghua.edu.cn. Checked 15 October 2026.
  3. From Free Academic Search Tools to Leading Large Model Enterprises: Zhipu AI's Path to Technological Summit eu.36kr.com. Checked 15 October 2026.
  4. Zhipu AI’s Rise: From Tsinghua Lab to China’s First Foundation Model IPO pro.pandaily.com. Checked 15 October 2026.
  5. Z.ai - Wikipedia en.wikipedia.org. Checked 15 October 2026.