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

Personalization, User Simulation, Recommender System, Knowledge Distillation

Soojin Yoon

Soojin Yoon

MS/PhDsoojiny@yonsei.ac.kr

Knowledge Graph, Data Mining with Large Language Models

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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Jiyoon Ok

Jiyoon Ok

MS/PhDjiyoonok@yonsei.ac.kr

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

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

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
Hyeonseo Jang

Hyeonseo Jang

Undergrad Internwkdgustj102@gmail.com

Collaborators

Jinyoung Yeo

Jinyoung Yeo

LangAGI Labjinyeo@yonsei.ac.kr
Weebly
Wonseok Jeong

Wonseok Jeong

Startup Projectfredriccliver@gmail.com
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Alumni

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