Team

Professor

Dongha Lee

Dongha Lee

Professordonalee@yonsei.ac.kr

Assistant Professor Department of Artificial Intelligence, Yonsei University

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PhD

Jeongeun Lee

Jeongeun Lee

PhDljeadec31@yonsei.ac.kr

Multi-modal personalization

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MS/PhD

Tongyoung Kim

Tongyoung Kim

MS/PhDdykim@yonsei.ac.kr

Reasoning, Small Language Models, Personalization, User Simulation, Recommender System

Kwangwook Seo

Kwangwook Seo

MS/PhDtommy2130@yonsei.ac.kr

Knowledge Augmentation for Language Models, Personalized Agents and User Simulation in real Environments, Reasoning over Structured Knowledge Sources

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Sangam Lee

Sangam Lee

MS/PhDsalee@yonsei.ac.kr

Information Retrieval, Retrieval-augmented Generation, Parametric Knowledge

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Ryang Heo

Ryang Heo

MS/PhDryang1119@yonsei.ac.kr

Information Extraction, Information Retrieval, Large Language Model, User Understanding

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Donguk Kwon

Donguk Kwon

MS/PhDdonguk.kwon@yonsei.ac.kr

Large Language Models, Information Retrieval, Table Reasoning, Human-Computer Interaction

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Master

Sunghwan Kim

Sunghwan Kim

Masterhappysnail06@yonsei.ac.kr

Agentic Systems, NLP Applications

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Serin Kim

Serin Kim

Masterkimserin@yonsei.ac.kr

Tool LLM, Web Agent

Jaehoon Kim

Jaehoon Kim

Masterjaeh8nkim@yonsei.ac.kr

Chain-of-Thought, Reasoning Trace, Test-time Compute

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Deogyong Kim

Deogyong Kim

Masterlegenduck@yonsei.ac.kr
Jiyoon Ok

Jiyoon Ok

Masterjiyoonok@yonsei.ac.kr
Myungjune Shin

Myungjune Shin

Mastermyungjune@yonsei.ac.kr

Large Language Models, Reasoning for Non-verifiable Tasks

Industry Researchers

Yongsik Seo

Yongsik Seo

PhD (Ndata)yseeo@yonsei.ac.kr
Uitaek Lee

Uitaek Lee

PhD (KEPCO)dtmaster@yonsei.ac.kr

Industrial Applications of LLMs, Few-Shot Fault Prognosis, Anomaly Detection

Euijin Jeong

Euijin Jeong

PhD (Realizable)euijin.jeong@yonsei.ac.kr
Minchae Lim

Minchae Lim

Master (Samsung Electronics)minchae.lim@yonsei.ac.kr
Wonjae Lee

Wonjae Lee

Master (Samsung Electronics)dnjswo0926@yonsei.ac.kr

Undergrad

Wooseok Jeong

Wooseok Jeong

Undergrad Internoseoko8@gmail.com

Collaborators

Jinyoung Yeo

Jinyoung Yeo

LangAGI Labjinyeo@yonsei.ac.kr
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Wonseok Jeong

Wonseok Jeong

Startup Projectfredriccliver@gmail.com
LinkedIn

Alumni

Soojin Yoon

Soojin Yoon

Alumni (M.S., Aug 2026)Ph.D., Yonsei University

Knowledge Graph, Data Mining with Large Language Models

Jieyong Kim

Jieyong Kim

Alumni (M.S., Aug 2026)Ph.D., UIUC

NLP, LLMs, Recommendation, Personalization, Reasoning

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Hyunseo Kim

Hyunseo Kim

Alumni (M.S., Feb 2026)LG Electronics

Conversational Search, Recommender Systems, Personalized Agents

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Seoyeon Kim

Seoyeon Kim

Alumni (M.S., Aug 2025)Sendbird

Knowledge-augmented LLMs, multilinguality of LLMs

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Sungho Ko

Sungho Ko

Alumni (M.S., Aug 2025)Boston Consulting Group

Knowledge-augmented LLMs, Question Answering, Large Language Models