I am Ph.D student in the Department of Computer Science and Engineering at Seoul National University. Prior to joining Ph.D program, I did my master study in School of Computing at KAIST. I earned my Bachelor’s degree in Department of Mathematical Sciences from KAIST.

Recent News

[Sep 2022] One paper is accepted at NeurIPS’22. NEW!
[Jun 2022] Two papers are accepted at ICML’22 Workshop.
[Apr 2022] One paper is accepted at CVPR’22 Workshop.
[Nov 2021] One paper is accepted at NeurIPS’21 Workshop.


  • [Mar 2019 - Current] Ph.D candidate, Seoul National University
  • [Mar 2016 - Feb 2018] M.S. in School of Computing, KAIST
  • [Mar 2010 - Feb 2016] B.S. in Mathematical Sciences, KAIST
  • [Mar 2007 - Feb 2010] Korea Science Academy of KAIST


PhotoSelecMix: Debiased Learning by Contradicting-pair Sampling
Inwoo Hwang, Sangjun Lee, Yunhyeok Kwak, Seong Joon Oh, Damien Teney, Jin-Hwa Kim*, Byoung-Tak Zhang*
Preliminary version presented at ICML'22 workshop on Spurious Correlations, Invariance, and Stability (SCIS).
Paper Code

PhotoOn the Importance of Critical Period in Multi-stage Reinforcement Learning
Junseok Park, Inwoo Hwang, Min Whoo Lee, Hyunseok Oh, Minsu Lee, Youngki Lee, Byoung-Tak Zhang
[ICML'22 Workshop]
Complex Feedback in Online Learning (CFOL)
Workshop Paper

PhotoImproving Robustness to Texture Bias via Shape-focused Augmentation
Sangjun Lee, Inwoo Hwang, Gi-Cheon Kang, Byoung-Tak Zhang
[CVPR'22 Workshop]
Human-centered Intelligent Services: Safety and Trustworthy (HCIS)
Workshop Paper

PhotoPartition-based Local Independence Discovery
Inwoo Hwang, Byoung-Tak Zhang, Sanghack Lee
[NeurIPS'21 Workshop]
Causal Inference Challenges in Sequential Decision Making: Bridging Theory and Practice

Invited Talks

  • [Dec 2022] KSC 2022, Top-tier conference paper session
  • [Nov 2022] Kakao TechTalk
  • [Nov 2022] AIIS Retreat, SNU
  • [Oct 2022] NAVER TechTalk

Honors and Awards

  • Scholar Award, NeurIPS 2022
  • National Science and Technology Scholarship, 2010
  • Gold Award, 20th Korean Mathematical Olympiad (KMO)

Teaching Experience

  • CS204 Discrete Structure, KAIST, 2016F, 2017S, 2017F

Work Experience

  • [Aug 2012 - May 2014] Korean Agmentation to the United States Army (KATUSA), Military Service.