Hi, I am Haojun Chen. I am currently a second-year Ph.D. student at the Institute for Artificial Intelligence, Peking University, advised by Prof. Yaodong Yang. My research interests lie in the intersection of World Models, Generative Models, Reinforcement Learning, and their intersection with science problems. Please do not hesitate to reach out to me via email at chenhaojun@stu.pku.edu.cn!
🔥 News
- 2026.03: 🎉🎉 One paper gets accepted in ICRA 2026.
- 2025.05: 🎉🎉 One paper gets accepted in ICML 2025.
- 2024.09: 🎉🎉 One paper gets accepted in NeurIPS 2024.
📝 Publications

Accelerating Robotic Reinforcement Learning with Agent Guidance
Haojun Chen*, Zili Zou*, Chengdong Ma, Yaoxiang Pu, Haotong Zhang, Yuanpei Chen, Yaodong Yang
The first agent in the loop real-world reinforcement learning framework

A breakthrough on Hilbert’s 18th problem in positive curvature by AI.
Finding Kissing Numbers with Game-theoretic Reinforcement Learning
Chengdong Ma*, Théo Tao Zhaowei*, Pengyu Li*, Minghao Liu, Haojun Chen, Zihao Mao, Yuan Cheng, Yuan Qi, Yaodong Yang
Recorded in the standard databases for Kissing Number and Spherical Code
Research Documentary: English Version, Chinese Version
This work has been covered by:
科技日报 Science and Technology Daily
麻省理工科技评论 MIT Technology Review
环球科学 Scientific American

DexKnot: Generalizable Visuomotor Policy Learning for Dexterous Bag-Knotting Manipulation
Jiayuan Zhang*, Ruihai Wu*, Haojun Chen, Yuran Wang, Yifan Zhong, Ceyao Zhang, Yaodong Yang, Yuanpei Chen

Falcon: Fast Visuomotor Policies via Partial Denoising
Haojun Chen*, Minghao Liu*, Chengdong Ma, Xiaojian Ma, Zailin Ma, Huimin Wu, Yuanpei Chen, Yifan Zhong, Mingzhi Wang, Qing Li, Yaodong Yang

Panacea: Pareto Alignment via Preference Adaptation for LLMs
Yifan Zhong*, Chengdong Ma*, Xiaoyuan Zhang*, Ziran Yang, Haojun Chen, Qingfu Zhang, Siyuan Qi, Yaodong Yang

MANSA: Learning Fast and Slow in Multi-Agent Systems
David Henry Mguni, Haojun Chen, Taher Jafferjee, Jianhong Wang, Longfei Yue, Xidong Feng, Stephen Marcus Mcaleer, Feifei Tong, Jun Wang, Yaodong Yang
📖 Educations
2024.09 - now, Ph.D. student, Institute for Artificial Intelligence, Peking University.
2020.09 - 2024.06, B.S., School of Mathematics and Statistics. Beijing Jiaotong University.
💬 Services
- Reviewer for AAAI2025, ICML2025, ICLR2026, ICML2026.
- Teaching Assistant for “Multi-Agent System” (2026 Spring). [Website]