Members
Staffs
Sundong Kim
Assistant Professor
Lab director
Sejin Kim
Postdoctoral researcher
ARC-AGI, RL, Trajectory
Laura Mascarell
Postdoctoral researcher
Language models, Alignment
PhD Students
Woochang Sim
Student representative (2025)
Interpretability, Alignment
Jihwan Lee
Seminar lead
Reinforcement learning
Jiwon Park
GPU lead / NRF fellow (24)
Program induction
Jaehyun Park
HR lead / NRF fellow (24)
LLM+RL, Diffusion
Seokki Lee
ARC lead
Neuro-symbolic AI
Hyunseok Ryu
Health guardian
RAG
MS Students
Woletemaryam Liyew
MS Grad-to-be (Feb 2026)
Genetic algorithm
Klea Lena Kovačec
MS Grad-to-be (Feb 2026)
Logic
Marha Midhatiey Rusli
MS Grad-to-be (Feb 2026)
LLM Verification
Donghyeon Shin
Grad-to-be / NRF fellow (24)
Test-time adaptation
Seungpil Lee
Reviewer / NRF fellow (25)
Test-time adaptation, CogSci
Yunho Kim
Cl. captain / NRF fellow (25)
Diffusion with RL
Jaegyun Im
Buyer / NRF fellow (25)
Reinforcement learning
Mohammad Saadati
MS Rookie (25/09 ~)
ARC-AGI-3, RL
Undergraduate Students
Geonwoo Cho
Thesis II (24/04 ~)
Reinforcement learning
Kyungmin Choi
Thesis II (25/03 ~)
Embedding structure
Heejun Kim
Thesis I (25/03 ~)
Test-time adaptation
Hojun Yi
Thesis I (25/03 ~)
Curriculum learning
Jeongjun Lee
Thesis I (25/05 ~)
Active inference
Jumyung Park
Thesis I (25/06 ~)
Program induction
Doyoon Kim
Thesis II (25/07 ~)
Credit assignment
Jinseo Shim
Research Intern (25/07 ~)
Program Space
Visitors
Collaborators
- Prof. Byung-Jun Lee (Korea University)
- Hayeong Lee (Korea University)
- Jinwoo Jeon (Korea University)
- Prof. Hwanjun Song (KAIST)
- Prof. Xiaoxiao Li (University of British Columbia)
- Dr. Sungwon Han (Research Scientist at Meta)
- Dr. Lancelot Da Costa (VERSES AI)
- Prof. Pierre-Alexandre Murena (Technische Universität Hamburg)
- Prof. Kyung-Joong Kim (GIST)
- Byunghwa Yoo (GIST)
- Jungmin Kim (GIST)
- Prof. Miguel Couceiro (Técnico Lisboa)
Alumni
I have been fortunate to work with the following members.
Postdoctoral Researcher
- Sungwon Han, Apr 2025 - July 2025 (→ Research Scientist at Meta)
MS Students (Thesis advised):
- Woochang Sim, Mar 2023 - Feb 2025 (→ PhD student in our lab) [Thesis]
- Sanha Hwang, Mar 2023 - Feb 2025 (→ AI Engineer at GenOn) [Thesis]
Undergraduate Students (Thesis advised):
- Hyunseok Ryu, Sep 2024 - Aug 2025 (→ MS/PhD student in our lab) [Thesis]
- Suyeon Shim, Jan 2024 - May 2024 (→ Frontend Engineer at Levit) [Thesis]
- Seungpil Lee, Sep 2023 - Feb 2025 (→ MS student in our lab) [Thesis]
- Hosung Lee, Jul 2023 - Dec 2024 (→ MS student at KAIST CS) [Thesis]
- Yunho Kim, Jul 2023 - Dec 2024 (→ MS student in our lab) [Thesis]
- Jiwon Park, Jul 2023 - Feb 2024 (→ MS/PhD student in our lab) [Thesis]
- Gyojoon Gu, Jul 2023 - Dec 2023 (→ MS student at TU Munich, AI in Society) [Thesis]
- Hyunjun Huh, Jul 2023 - Dec 2023 (→ MS student at KAIST Business) [Thesis]
- Donghyeon Shin, Mar 2023 - Feb 2024 (→ MS student in our lab) [Thesis]
- Wongyu Seo, Mar 2023 - Dec 2023 (→ Consultant at KoDATA) [Thesis]
- Doyoon Song, Mar 2023 - Jun 2023 (→ Software Engineer at Palantir) [Thesis]
- Hyebin Jin, Mar 2023 - Jun 2023 (→ Financial Supervisory Service) [Thesis]
- Mintaek Lim, Jan 2023 - May 2024 (→ MS/PhD student at SNU ECE) [Thesis]
- Jaegyun Im, Jan 2023 - Dec 2023, Sep 2024 - Feb 2025 (→ MS student in our lab) [Thesis]
- Jaehyun Park, Jan 2023 - Aug 2023 (→ MS/PhD student in our lab) [Thesis]
Interns & Visitors
- Ayush Kumar Singh, Jun 2025 - Aug 2025 (IIT Bombay)
- Ayush Raina, Jun 2025 - Aug 2025 (IISc Bangalore)
- Paulina Vennemann, Jun 2025 - Aug 2025 (University of Hamburg)
- Minkyung Kim, Mar 2025 - Jul 2025 (GIST EECS)
- Sua Yun, Mar 2025 - Jun 2025 (Inha University)
- Hayan Choi, Jan 2025 - Feb 2025 (VtoV)
- Dohyun Ko, Jan 2024 - May 2024 (GIST EECS)
- Kena Melkamu Bulcha, Jul 2023 - Oct 2023 (GIST EECS)
- Peter Suk, Jul 2023 - Aug 2023 (Indiana University Bloomington)
- Tair Djanibekov, Jul 2023 - Aug 2023 (Inha University in Tashkent)
- Ana Sofia Mendonça, Jul 2023 - Aug 2023 (NOVA IMS)
- Ohyeon Kwon, Apr 2023 - Jun 2023 (GIST EECS)
- Sabina Ualibekova, Jan 2023 - Jun 2023 (GIST EECS)
Before GIST
Click!
IBS Data Science Group
Before joining GIST, I spent three years at IBS Data Science Group, where I worked with Prof. Meeyoung Cha. It's a fond memory of my early steps into mentorship and project management. I had the pleasure of working with these talented individuals:
Graduate Students at IBS:
- Sungwon Park
- Sungwon Han (Postdoc with us)
- Donghyun Ahn (Postdoc at MPI-SP)
- Eunji Lee (LG Electronics)
Undergraduate Students at IBS:
- Youngdo Lee (MS student at KAIST AI)
- Sangwoo Park (MS student at KAIST AI)
- Sheikh Shafayat (MLE at ALI Inc)
- Prin Phunyaphibarn (MS student at KAIST CS)
- Subin Kim (PhD student at UPenn ESE)
- Chaeyoon Jeong (AI Engineer at Samsung Research)
- Sihyeon Kim (MS student at KAIST AI)
- Assem Zhunis (PhD student at HKUST)
- Kien Hoang (Quant at Hedgefund)
- Aitolkyn Baigutanova (Researcher at Wikimedia)
- Gaukhartas Alina (SWE at Google Deepmind)
- Yuan Yuan (PhD at Tsinghua)
- Jaechan So (Backend at Coupang)
- Khanh Thi Nguyen (SWE at Amazon AWS)
- Tung-Duong Mai (SWE at Samsung Electronics)
- Yu-Che Tsai (PhD student at National Taiwan University)
KAIST
During my PhD at KAIST, I was advised by Prof. Jae-Gil Lee. Throughout this period, I had the opportunity to work closely with:
Graduate Students at KAIST:
- Yooju Shin (Applied Scientist at Amazon AGI)
- Sejin Kim (Postdoc with us)
- Hwanjun Song (Assistant Professor at KAIST)
- Sohyun Kim (RideFlux)
- Minseok Kim (Senior Research Scientist at Meta)
Undergraduate Students at KAIST:
