Fengdi Che
PhD Candidate | University of Alberta
(514) 578-9225 | fengdi at ualberta dot ca
Department of Computing Science, University of Alberta, Edmonton, AB, Canada
Education
University of Alberta, Edmonton, AB, Canada
Doctor of Philosophy, Statistical Machine Learning | GPA: 3.92/4.0
2021 - 2026 (Expected August)
Supervisory Committee: Dr. Rupam Mahmood (Co-Supervisor), Dr. Dale Schuurmans (Co-Supervisor), Dr. Csaba Szepesvári
McGill University, Montreal, QC, Canada
Master of Science in Computer Science | CGPA: 3.71/4.0
2018 - 2021
Supervisor: Dr. Doina Precup
McGill University, Montreal, QC, Canada
Bachelor of Science, Honours Applied Mathematics | CGPA: 3.95/4.0
2014 - 2018
Internships
Netflix, Los Gatos, CA, US | October 2025 - Present
Developing LLM-based recommendation system to improve content discovery.
Shanghai AI Lab, Shanghai, China | March 2025 - August 2025
- Generated data using proprietary LLM APIs
- Designed rule-based rewards and post-trained a verifiable code LLM agent
- Built training infrastructure on top of VeRL and investigated generalization ability of LLM under continuous latent CoT
Scholarships and Honours
- Verna Tate Graduate Scholarship in Science
- First Class Honours in Applied Mathematics
- Jenne Bell Science Undergraduate Research Award
- Jurate Tanner Scholarship in Science
- ICML 2024 Spotlight (3.5% acceptance rate)
Talks
Tutorial Speaker, AAAI Conference, Philadelphia, PA | February 2025
- Organized a diverse international team of postdoc associates and professors
- Bridged the gap between theoretical and empirical research and identified fundamental challenges in offline reinforcement learning
Invited Speaker, Google DevFest, Edmonton, AB | November 2022
- Explained frontier reinforcement learning studies to undergraduate students and software developers
Service
Volunteer Sub-Team Lead, Conference on Learning Theory, Edmonton, AB | June 2024
- Managed logistics for the poster session, including venue coordination and vendor management
Breakout Session Organizer, Women in Machine Learning Workshop, Honolulu, HI | July 2023
- Invited participants interested in making reinforcement learning more applicable, including professors and senior researchers from Nvidia, DeepMind, Microsoft, and HuggingFace
- Organized discussions by proposing several open questions
Reviewer for CoLLAs, ICLR, ICML, and NeurIPS
Teaching Experience
CMPUT 499 Independent Study Co-instructor, University of Alberta | September 2024 - December 2024
- Designed graduate-level course materials and guided an independent study student’s research
Master Student’s Mentor, University of Alberta | October 2022 - April 2023
- Provided the fundamental idea and supported the student with several contributions and suggestions
- Guided the student to finish and publish the project, which was then used for his master’s thesis
Teaching Assistant, University of Alberta and McGill University
- Consistently recognized in student feedback for providing clear, helpful, and friendly support
Research Interests
Reinforcement Learning, Off-Policy Learning, Continual Learning, Self-Evolving Agents, LLM Reasoning and Generalization, LLM Post-training
Computer Skills
Languages: Python, Matlab, Java
Frameworks: veRL, vLLM, TRL, PyTorch, TensorFlow, Ray