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Renfei (Alex) Zhang

Computer Science Ph.D. Student
Software and Societal Systems Department
Carnegie Mellon University
az5 (at) andrew.cmu.edu


About Me

I am a first-year Computer Science Ph.D. student in the Software and Societal Systems Department at Carnegie Mellon University, advised by Niloofar Mireshghallah. Before CMU, I received my B.Sc. in Computer Science from Simon Fraser University.

Research Interests

News

Publications

  1. EMNLP
    Reinforcement Learning Improves Traversal of Parametric Knowledge in LLMs
    Renfei Zhang, Manasa Kaniselvan, Rylan Schaeffer, Niloofar Mireshghallah
    Conference on Empirical Methods in Natural Language Processing (EMNLP), 2026.
    PDF arXiv Oral Presentation

  2. NeurIPS-W
    Reinforcement Learning on Benign Facts Amplifies Leakage of Memorized Private Data
    Renfei Zhang, Niloofar Mireshghallah
    NeurIPS 2026 Workshop on Trust-AI-Eval (TAE), 2026.
    PDF arXiv

  3. ICML-W
    SMDD-Bench: Can LLMs Solve Real-World Small Molecule Drug Design Tasks?
    Kevin Han, Renfei Zhang, Kathy Wei, Hamed Mahdavi, Niloofar Mireshghallah, Amir Barati Farimani
    ICML 2026 GenBio Workshop (GenBio), 2026.
    PDF Code Project Page


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