CV

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Education

• M.S. in Data Science, Seoul National University, 2024-Present
• B.S. in [Your Previous Degree], [Your Previous University], [Year]

Research Experience

• 2024-Present: Graduate Research Assistant
  • Seoul National University
  • Research focus: Value alignment in LLMs
  • Supervisor: Professor Yohan Jo

Publications

• Value Portrait: Assessing Language Models’ Values through Psychometrically and Ecologically Valid Items [arXiv]
  • Jongwook Han, Dongmin Choi, Woojung Song, Eun-Ju Lee, Yohan Jo
  • [ACL] Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics, 2025, *Equal Contributions
• PVP: An Image Dataset for Personalized Visual Persuasion with Persuasiveness Ratings, Persuasion Strategies, and Viewer Characteristics [arXiv]
  • Junseo Kim, Jongwook Han, Dongmin Choi, Jongwook Yoon, Eun-Ju Lee, Yohan Jo
  • [ACL] Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics, 2025

Preprints

• Established Psychometric vs. Ecologically Valid Questionnaires: Rethinking Psychological Assessments in Large Language Models [arXiv]
  • Dongmin Choi, Woojung Song, Jongwook Han, Eun-Ju Lee, Yohan Jo
  • Under Review at TACL, 2025
• Future Policy Aware Preference Learning for Mathematical Reasoning [arXiv]
  • Minjae Oh, Yunho Choi, Dongmin Choi, Yohan Jo
  • Under Review at ICLR 2026, 2025

Skills

• Machine Learning & NLP
• Large Language Models
• Value Alignment Research
• Python, PyTorch
• Data Science & Analysis