RL post-training for LLMs and self-improving agents, focusing on curricula and exploration in multi-domain RLVR, knowledge distillation, prompt optimization, and memory-augmented agents.
Education
Sep 2025 – Summer 2029 (expected)
University of Toronto · Ph.D. in Computer Science (adviser: Zhijing Jin) · GPA 4.0/4.0
Mar 2023 – Feb 2025
KAIST · M.S., Graduate School of AI (advisers: Se-Young Yun, Kimin Lee) · GPA 4.18/4.3, ranked 2nd in department
Mar 2017 – Feb 2023
Seoul National University · B.S., Electrical and Computer Engineering · GPA 4.12/4.3, Summa Cum Laude
Research experience
Feb 2026 – Sep 2026
ServiceNow AI Research · Visiting Researcher, UI Assist team (supervised by Alexandre Drouin and Christopher Pal): adaptive prompt teaching and RL for long-horizon agents
Sep 2025 – Present
University of Toronto & Vector Institute · Graduate Researcher (advised by Zhijing Jin): transfer-aware curricula and LLM-to-SLM distillation
Mar 2024 – Jun 2024
Naver AI Lab · Research Intern (supervised by Hwaran Lee): uncertainty quantification and multilingual red-teaming
Mar 2023 – Feb 2025
KAIST · Graduate Researcher (advised by Se-Young Yun and Kimin Lee): language-agent exploration, preference-data filtering, and vision-language transfer learning
Jun 2022 – Sep 2022
Seoul National University · Undergraduate Researcher (advised by Taesup Kim): adaptive loss reweighting for cold-start recommendation
Awards & grants
2025
Connaught International Scholarship · University of Toronto
2026
ICML Gold Reviewer
2017 – 2023
Korea National Science & Technology Scholarship · full-ride academic excellence scholarship
Academic service
Reviewer: NeurIPS, ICML (Gold Reviewer, 2026), ICLR, COLM, TMLR, and ACL Rolling Review (2024–2026)
Lab Administrator, Jinesis Lab · HPC compute and infrastructure
Teaching
Sep 2026 – Dec 2026
Probabilistic Learning and Reasoning (CSC412) · Teaching Assistant (UofT)
Sep 2025 – Dec 2025
Introduction to Programming Languages · Teaching Assistant (UofT)
Sep 2021 – Feb 2022
Introduction to Algorithms · Departmental Tutor (SNU)