OSI LAB
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members
People
Se-Young Yun
Associate Professor
Theory
RL
CV
NLP
yunseyoung[at]kaist.ac.kr
[
website
] [
scholar
]
Postdoc Researchers
Sangmin Bae
Postdoc·Fall 2025
Adaptive Compute
Multimodal
bsmn0223[at]kaist.ac.kr
[
website
] [
github
] [
scholar
] [
twitter
]
PhD Students
Narae Ryu
PhD·Fall 2019
GNN
Community detection
nrryu[at]kaist.ac.kr
Seongyoon Kim
MS/PhD·Spring 2019
Theory of AI
Federated Learning
Active Learning
curisam[at]kaist.ac.kr
Yongsik Lee
PhD·Spring 2020
RL
LLM
dldydtlr93[at]kaist.ac.kr
Huzama Ahmad
PhD·Fall 2021
LLMs
Efficiency
Training Dynamics
huzama[at]kaist.ac.kr
[
website
] [
github
]
Sungnyun Kim
PhD·Fall 2021
Speech
Multimodal
SSL
...
ksn4397[at]kaist.ac.kr
[
website
] [
github
] [
scholar
]
Minchan Jeong
MS/PhD·Spring 2021
Online Learning
Federated Learning
Statistics
mcjeong[at]kaist.ac.kr
Sanghwa Kim
PhD·Spring 2022
RL
Theory
tkdghk9667[at]kaist.ac.kr
Felix den Breejen
MS/PhD·Spring 2022
Tabular
FelixdenBreejen[at]kaist.ac.kr
Gahee Kim
PhD·Spring 2023
GNN
gaheekim[at]kaist.ac.kr
Junghyun Lee
PhD·Spring 2023
Theory
RL
LLM
jh_lee00[at]kaist.ac.kr
[
website
] [
github
] [
scholar
] [
twitter
]
Sehyeok Kang
PhD·Spring 2023
RL
Multi-Agent RL
Hierarchical RL
kangsehyeok0329[at]kaist.ac.kr
Boryeong Cho
MS/PhD·Fall 2022
Multimodal
Time-series
venntum[at]kaist.ac.kr
[
website
]
Namgyu Ho
PhD·Fall 2023
Reasoning
Efficiency
Long-Context
itsnamgyu[at]kaist.ac.kr
[
website
] [
github
] [
scholar
] [
twitter
]
Jihwan Oh
PhD·Spring 2024
LLM
RL
Theory-of-Mind
ericoh929[at]kaist.ac.kr
Hojung Jung
PhD·Spring 2025
ghwjd7281[at]kaist.ac.kr
Jaehyun Kwak
PhD·Spring 2025
Multimodal
jaehyun98[at]kaist.ac.kr
Minsu Kim
PhD·Spring 2025
LLM
Interpretability
Reasoning
minsu_kim[at]kaist.ac.kr
Minu Kim
MS/PhD·Spring 2024
LLM Agents
RL
minu.kim[at]kaist.ac.kr
[
website
]
Yujin Kim
PhD·Spring 2025
Reasoning
Efficiency
yujin399[at]kaist.ac.kr
[
website
] [
github
] [
scholar
]
Andrew Wan Ju Kang
PhD·Fall 2025
NLP
soarhigh[at]kaist.ac.kr
[
website
]
Soowon Oh
PhD·Fall 2025
Reasoning
Efficiency
RL
...
osw5144[at]kaist.ac.kr
[
website
]
Sungwoo Cho
MS/PhD·Spring 2025
Audio-Visual
Multimodal
CV
peter8526[at]kaist.ac.kr
[
website
] [
github
] [
scholar
]
MS Students
Hwankyu Sung
MS·Spring 2024
Theory
RL
wjdakffhgksp[at]kaist.ac.kr
Seongbeom Heo
MS·Spring 2024
Efficient NLP
Instruction Tuning
huh707[at]kaist.ac.kr
Youngrok Park
MS·Spring 2024
Generative Models
Stochastic Process
yr-park[at]kaist.ac.kr
[
website
]
Euiin Yi
MS·Fall 2024
Efficient NLP
CV
euiin_mercyii[at]kaist.ac.kr
Murad Aghazada
MS·Fall 2024
NLP
CV
Generative Models
aghazadamurad[at]kaist.ac.kr
[
website
] [
github
] [
twitter
]
Seo Hyun Kim
MS·Fall 2024
NLP
LLM
shkimsally[at]kaist.ac.kr
Hyun Ryu
MS·Spring 2025
NLP
Efficient Inference
hyunr01[at]kaist.ac.kr
[
scholar
]
Nam Cao
MS·Spring 2025
NLP
LLM
hainam[at]kaist.ac.kr
Sunwoo Hong
MS·Spring 2025
Reasoning
sunwoo[at]kaist.ac.kr
Junhyeok Yang
MS·Fall 2025
xms1001[at]kaist.ac.kr
Segyu Lee
MS·Fall 2025
Multimodal
Safety
segyu.lee[at]kaist.ac.kr
Woosung (Reiss) Koh
MS·Fall 2025
Foundation Models
reiss.koh[at]kaist.ac.kr
[
website
] [
github
] [
scholar
]
Visiting
JuHyeong Kim
Visiting · 2023
myjju0808[at]kaist.ac.kr
Wonjun Chang
Visiting · 2025
wj0559[at]kaist.ac.kr
Sangmin Hwang
Visiting · 2025
Agent
Efficient NLP
Information Retrieval
hwsmin920[at]gmail.com
[
website
] [
github
]
Jungwoo Lee
Visiting · 2025
Multimodal
jungwoo9535[at]kaist.ac.kr
Changhae Lee
Visiting · 2025
chlee973[at]kaist.ac.kr
Alumni
Gauvain Marseille
MS·Fall 2020
Neubility
gauvain.marseille[at]orange.fr
Hyungjun Yoo
MS·Fall 2020
NeuroFusion inc
yoohjun[at]gmail.com
ChangHwan Kim
MS·Spring 2021
XCENA
kcwhan95[at]gmail.com
JongHyup Kim
MS·Spring 2021
Samsung Electronics
kaist_kjh[at]naver.com
Kyeongryeol Go
MS·Fall 2021
Superb AI
kyeongryeol.go[at]gmail.com
Jaeyeon Ahn
MS·Spring 2022
Amazon
jaeyeon.ahnn[at]gmail.com
Jinhwan Choi
MS·Spring 2022
LBox
cjh0761[at]gmail.com
Sangwook Cho
MS·Spring 2022
Samsung Electronics
sood0607[at]gmail.com
Nak Yil Kim
MS·Fall 2022
Shinhan Bank
NAS
Federated Learning
nakyilkim[at]kaist.ac.kr
[
website
]
Donggyu Kim
MS·Spring 2023
Medipixel
eaststar[at]kaist.ac.kr
Jaehoon Oh
MS/PhD·Spring 2023
SAIT
jh0104.oh[at]gmail.com
[
website
] [
scholar
]
Jaewoo Shin
MS·Spring 2023
Minds and Company
FL
yimsungen5[at]kaist.ac.kr
Jung-hun Kim
PhD·Fall 2023
Postdoc, CREST/ENSAE Paris
Bandits
junghunkim[at]kaist.ac.kr
[
website
]
SangMook Kim
PhD·Fall 2023
Assistant Professor, Chungnam National University
FL
SSL
Medical AI
...
sangmook.kim[at]kaist.ac.kr
Seungjoon Park
MS·Fall 2023
Twelve Labs
NLP
Causality
sjoon.park[at]kaist.ac.kr
[
github
]
Sumyeong Ahn
PhD·Fall 2023
Assistant Professor, KENTECH
CV
Robust ML
Trustworthy ML
sumyeongahn[at]kaist.ac.kr
[
website
] [
github
] [
scholar
] [
twitter
]
Joonkee Kim
MS·Spring 2024
LG AI Research
LLM
RL
joonkeekim[at]gmail.com
[
scholar
]
Seongha Eom
MS·Spring 2024
Software Engineer, Google
GNN
XAI
seonghaaeom[at]gmail.com
[
website
] [
scholar
]
Laura Schmid
Postdoc·Fall 2024
Editor at Nature Communications
Bandits
NLP
Diffusion
...
laura.schmid[at]kaist.ac.kr
[
scholar
]
Mingyu Kim
PhD·Fall 2024
Postdoc, UBC
Bayesian models
Generative models
Implicit Neural Representation
mgyu.kim[at]ubc.ca
[
website
]
Gihun Lee
PhD·Fall 2024
Research Scientist, Hyperconnect
Continual Learning
Federated Learning
Representation Learning
opcrisis[at]kaist.ac.kr
Joon Cha
MS·Fall 2024
Researcher, Kaier
AutoML
jooncha[at]kaist.ac.kr
[
scholar
]
Woojin Chung
MS·Fall 2024
Representation Learning
Transfer Learning for NLP
Knowledge Distillation
...
gartland[at]kaist.ac.kr
Sihyeon Kim
MS·Spring 2025
Samsung Research
Multimodal
Diffusion
sihk[at]kaist.ac.kr
Taehyeon Kim
PhD·Spring 2025
Research Scientist, LG AI Research
LLM
SSL
FL
potter32[at]kaist.ac.kr
[
website
] [
github
] [
scholar
] [
twitter
]
Yongjin Yang
MS·Fall 2025
Generative Models
Alignment
LLM Agent
dyyjkd[at]gmail.com
Jongwoo Ko
PhD·Fall 2025
Senior Researcher, Microsoft
Efficient AI
jongwooko96[at]gmail.com
[
website
] [
github
] [
scholar
]
Tergel Munkhbat
MS·Fall 2025
LLM reasoning
tergelmunkhbat[at]kaist.ac.kr
[
website
] [
github
] [
scholar
] [
twitter
]
Past Visitors
Se June Joo
Visiting · 2022
Eric Patarin
Visiting · 2022
Jinsu Park
Visiting · 2022
Seaone Ok
Visiting · 2022 - 2023
Shinhyeok Hwang
Visiting · 2023
Mohammed Benabbassi
Visiting · 2023
Marc Bartholet
Visiting · 2023
Hyoung Jo Bhang
Visiting · 2023
Kunwoo Na
Visiting · 2023 - 2025
Toghrul Abbasov
Visiting · 2023 - 2024
Deokgyu Yoon
Visiting · 2023 - 2024
Tadiwos Meaza
Visiting · 2023 - 2024
Eric Kim
Visiting · 2024
Jaewook Jeong
Visiting · 2024 - 2025
Daehan Yoon
Visiting · 2024 - 2025
Jaewook Lee
Visiting · 2024 - 2025