Ph.D. Candidate Major: Computer Science Advisor: Chongjie Zhang McKelvey School of Engineering Washington University in St. Louis Email Address: d.kefei@wustl.edu [My CV] [GitHub]

About Me

Hello! My name is Kefei Duan, a Ph.D. student at Washington University in St. Louis majoring in Computer Science.
My research interest includes Vision-Language-Action models, embodied agents, etc.

Education Experience

	Ph.D. Washington University in St. Louis (Aug. 2023 - ) Major: Computer Science Department: McKelvey School of Engineering
	B.S. Peking University (Sep. 2019 - Jul. 2023) Major: Intelligent Science and Technology Department: School of Electronics Engineering and Computer Science

Publication

• Enhancing Decision-Making of Large Language Models via Actor-Critic
  Heng Dong*, Kefei Duan*, Chongjie Zhang.
  ICML, 2025

• Re-Tuning: Overcoming the Compositionality Limits of Large Language Models with Recursive Tuning
  Eric Pasewark*, Kyle Montgomery*, Kefei Duan, Dawn Song, Chenguang Wang
  ACL, 2024

• MetaFill: Text Infilling for Meta-Path Generation on Heterogeneous Information Networks
  Zequn Liu, Kefei Duan, Junwei Yang, Hanwen Xu, Ming Zhang, Sheng Wang
  EMNLP, 2022