AI Scientist @ LG AI Research
Master's Degree in Artificial Intelligence @ Ajou University
Email: heekue83@gmail.com
LLM Agent for Materials Science and Database (Text-to-SQL)
Safe and Reliable Language Models
LLM-as-a-Judge
Ajou University, Suwon, South Korea
M.S. in Artificial Intelligence, 2023 - 2025 (Advisor: Hyunsouk Cho)
B.S. in Software Engineering, 2016 - 2023
LG AI Research, Seoul, South Korea
AI Scientist (2025.7 - Present)
Research Engineer Internship (2025.2 - 2025.6)
Undergraduate Internship, 2022.7 - 2022.12 (Mentor: Seonghwan Kim)
Ably Corporation, Seoul, South Korea
Android Developer, 2020
BitByte Corporation, Seoul, South Korea
Android Developer, 2017-2019
Kim, Heegyu, et al. "Towards Fully-Automated Materials Discovery via Large-Scale Synthesis Dataset and Expert-Level LLM-as-a-Judge." arXiv preprint arXiv:2502.16457 (2025) - Accepted into CIKM 2025
Kim, Heegyu, et al. "FLEX: Expert-level False-Less EXecution Metric for Reliable Text-to-SQL Benchmark." arXiv preprint arXiv:2409.19014 (2024) - Accepted into NAACL 2025 (Oral).
Heegyu Kim, Sehyun Yuk, and Hyunsouk Cho. "Break the Breakout: Reinventing LM Defense Against Jailbreak Attacks with Self-Refinement." arXiv preprint arXiv:2402.15180 (2024) - Accepted into NAACL 2025 Workshop TrustNLP.
Heegyu Kim and Hyunsouk Cho. 2023. "GTA: Gated Toxicity Avoidance for LM Performance Preservation." In Findings of the Association for Computational Linguistics: EMNLP 2023, pages 14747–14763, Singapore. Association for Computational Linguistics.
Bronze, Opensource Software Developer Competition (2023)
1st, Shinhan Bigdata Hackathon (2022)
Sunrin Internet High School, Seoul, South Korea
Instructor, Special Lecture on Artificial Intelligence
Winter 2022-2023, Winter 2023-2024, Winter 2024-2025