Summary

Undergraduate student at UIUC studying Statistics & Computer Science with research interests in LLM/VLM Reasoning, Multi-agent Systems, and AI Safety.

Education

• B.S. in Statistics & Computer Science

  2026 (Expected)
  University of Illinois at Urbana-Champaign

  GPA: 3.94/4.00

  Courses: Machine Learning, Natural Language Processing, Deep Learning for Computer Vision, Data Mining, Machine Learning Systems, Algorithms, Numeric Methods, Statistical Modeling, Applied Bayesian Analysis, Statistics and Probability, Linear Algebra

Publications

• Reinforcing Agentic Medical Vision-Language Reasoner

  2025
  Under Review at ARR

  X Cao*, Jiaxun Zhang*, B Li*, Q He*, J Chen, Z Chen, H Xu, J Cao, JM Rehg

  View Publication
• Counterfactual Segmentation Reasoning: Diagnosing and Mitigating Pixel-Grounding Hallucination

  2025
  Under Review at CVPR 2026

  X Li*, A Juvekar*, Jiaxun Zhang, X Liu, M Wahed, K Nguyen, Y Shen, T Yu, I Lourentzou

  View Publication
• Where LLM Agents Fail and How They Can Learn from Failures

  2025
  Under Review at ICLR 2026

  K Zhu*, Z Liu*, B Li*, M Tian*, Y Yang*, Jiaxun Zhang, P Han, Q Xie, F Cui, W Zhang, X Ma, X Yu, G Ramesh, Y Su, J Wu, Z Liu, P Lu, J Zou, J You

  View Publication
• Mental Health Impacts of AI Companions: Triangulating Social Media Quasi-Experiments, User Perspectives, and a Relational Lens

  2025
  Under Review at ACM CHI 2026

  Y Yuan, Jiaxun Zhang, T Aledavood, R Zhang, K Saha

  View Publication
• TinyScientist: An Interactive, Extensible, and Controllable Framework for Building Research Agents

  2025
  EMNLP 2025 (System Demonstrations)

  H Yu*, K Xuan*, F Li*, K Zhu, Z Lei, Jiaxun Zhang, Z Qi, K Richardson, J You

  View Publication
• SafeScientist: Toward Risk-Aware Scientific Discoveries by LLM

  2025
  EMNLP 2025 (Main Conference, Oral Recommendation)

  Jiaxun Zhang*, K Zhu*, Z Qi*, N Shang, Z Liu, P Han, Y Su, H Yu, J You

  View Publication
• Advancing Medical Radiograph Representation Learning: A Hybrid Pre-training Paradigm with Multilevel Semantic Granularity

  2024
  ECCV 2024 Workshop

  H Jiang, X Hao, Y Huang, C Ma, Jiaxun Zhang, R Zhang

  View Publication

Teaching

• CS 124

  2024
  University of Illinois at Urbana-Champaign, Computer Science Department

  Role: Course Assistant

Interests

• LLM/VLM Reasoning
• Multi-agent Systems
• Reinforcement Learning
• LLM Agent Safety and Robustness
• AI for Science
• AI for Healthcare and Mental Health