Heuiseok Lim

Professor, Korea University
  • Office : 145, Anam-ro, Seongbuk-gu, Seoul, Republic of Korea
  • E-mail : limhseok@korea.ac.kr
  • Phone : +82-3290-2684

1994. 3 ~ 1997. 8 – Ph.D, Dept of Computer Science and Engineering, Korea University

1992. 3 ~ 1994. 2 – M.S, Dept. of Computer Science and Engineering, Korea University

1988. 3 ~ 1992. 2 – B.S, Dept of Computer Science and Engineering, Korea University



Chief Scientist


Chanjun Park

About Me

Chanjun Park is a researcher in the field of Natural Language Processing (NLP), with a focus on Data-Centric AI, Machine Translation and Large Language Models (LLM). He is currently working as a Technical Leader (TL) at the Upstage LLM Team. His current interests include forming an LLM-based ecosystem, and he has initiated projects such as SOLAR, the Open Ko-LLM Leaderboard, and the Up 1 Trillion Token Club. In 2023, he received his Ph.D. from Korea University, supervised by Professor Heuiseok Lim, for his work on “Data-Centric Neural Machine Translation”. From 2018 to 2019, he worked at SYSTRAN as a Research Engineer. Chanjun is the founder and chief scientist of the KU-NMT Group, and has received the Naver Ph.D. Fellowship in 2021. He served as the Virtual Social Chair at COLING 2022, and is currently serving as the Program Chair for the WiNLP Workshop and Publication Chair for the DMLR Workshop. He has published more than 170 papers in the field of NLP. See CV for more information.

Research Interest

Large Language Model (LLM), Data-Centric AI, Machine Translation

  • 2019.09 – 2023.08: Ph.D in Computer Science and Engineering, Korea University (Advisor: Heuiseok Lim)
  • 2015.03 – 2019.02: B.S. in Natural Language Processing & Creative Convergence, Busan University of Foreign Studies (BUFS) (Advisor: Pum-mo Ryu)
Professional Experience
  • 2022.07 – NowUpstage, Technical Leader (TL)
  • 2022.03 – 2023.07Upstage, AI Research Engineer
  • 2018.09 – 2019.07SYSTRAN, Research Engineer
  • 2018.06 – 2018.08SYSTRAN, Research Engineer Intern
Academic Services

Principal Research Scientist

Research Scientist


KU NMT Group.

School of Computer Science

College of Engineering, Korea University

© 2024 KU NMT GROUP.

Contact US

  • Group Leader Email
  • Address
    #311 Aegineung Student Center, College of Informatics, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Korea