cv

Education

  • 2024
    Ph.D. in Engineering
    Seoul National University, Korea
    • Advised by Nojun Kwak

  • 2019
    Bachelor in Food Science Technology (Minor in Industrial Engineering)
    Seoul National University, Korea

Work Experience

  • Aug. 2024 – Present
    Applied Research Scientist
    Krafton
    • Developing embodied AI agents for real-time interactive gameplay in PUBG.

      • Designed and deployed on-device agent architecture for responsive player interaction.
      • Prototype demonstrated at CES 2025, showcasing novel applications of embodied AI in gaming.
  • Aug. 2023 - Dec. 2023
    Research Intern
    Naver Webtoon
    • Contributed to Character Chat an AI chatbot service mimicking webtoon characters’ personalities and speech styles (used by over 3.3M users)

      • Focused on data generation, hallucination evaluation, and improving character alignment for immersive, in-world dialogue.
      • Implemented pretraining of a small-scale LM from Korean data collection and preprocessing.

      Conducted research in copyright protection

      • LLM watermarking and copyright protection for text-to-image models (1 paper at NAACL 2024 and 1 at CVPR 2025).
      • Placed 3rd in “N Innovation 2023”, an internal competition for novel AI-driven services across Naver.
  • June 2022 - Aug. 2022
    Research Intern
    Naver Webtoon
    • Research in natural language watermarking (1 paper in ACL 23)