Jungtaek Kim

Research Associate @ the University of Wisconsin–Madison

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1550 Engineering Dr

Madison, WI 53706

United States

Jungtaek Kim is a research associate at the University of Wisconsin–Madison, working with Prof. Kangwook Lee.

He received B.S. in Mechanical Engineering and Computer Science and Engineering from POSTECH in 2015, and Ph.D. in Computer Science and Engineering from POSTECH in 2022, under the supervision of Prof. Seungjin Choi and Prof. Minsu Cho.

His main research interests are statistical machine learning, Bayesian optimization, large language models, and sequential assembly.

News

Apr 30, 2026 My collaborative paper “ReJump: A Tree-Jump Representation for Analyzing and Improving LLM Reasoning” with Yuchen Zeng, Shuibai Zhang, Wonjun Kang, Prof. Kangwook Lee, and others has been accepted at ICML-2026.
Apr 15, 2026 My paper “Exploration and Exploitation Errors Are Measurable for Language Model Agents” with Jaden Park, Jongwon Jeong, Prof. Yong Jae Lee, and others has been released at arXiv.
Mar 26, 2026 My paper “Transformers in the Dark: Navigating Unknown Search Spaces via Bandit Feedback” has been awarded a J2C Certification.
Mar 02, 2026 My paper “Transformers in the Dark: Navigating Unknown Search Spaces via Bandit Feedback” with Prof. Kangwook Lee and others has been accepted at TMLR.
Feb 27, 2026 My collaborative paper “TAPE: Tool-Guided Adaptive Planning and Constrained Execution in Language Model Agents” with Jongwon Jeong and Prof. Kangwook Lee will be presented at ICLR Workshop on Agentic AI in the Wild: From Hallucinations to Reliable Autonomy (AAIW-2026).