About Me

Interest

• Multimodal Foundation Models
• Offline Reinforcement Learning
• World Models

Education

• Yale University, Department of Statistics and Data Science, 2024 Aug - 2026 Dec
  • Received NSK Scholarship (USD 70,000 per year)
  • GPA 4.00/4.00
• Waseda University, School of Political Science and Economics, 2020 Apr - 2024 Mar
  • Valedictorian
  • GPA 3.96/4.00
• Yale College, 2022 Aug - 2023 May
  • GPA 3.95/4.00

Work Experience

• AI/LLM Engineer @ AnyMind, 2025 Sep - 2025 Dec
• ML Engineer @ Merck (MSD), 2025 Sep - 2025 Nov
• Data Scientist @ Travelers Insurance, 2025 Jun - 2025 Aug
• ML Research Scientist @ Hanjuku Kaso, 2023 Jun - 2025 Aug
• ML Research Scientist @ CyberAgent AI Lab, 2023 Jun - 2024 Jul

Selected Publications

• Off-Policy Evaluation and Learning for the Future under Non-Stationarity. KDD2025
• Effective Off-Policy Evaluation and Learning in Contextual Combinatorial Bandits. RecSys2024
• Offline Contextual Bandits in the Presence of New Actions. KDD2025
• Diffusion Model in Causal Inference with Unmeasured Confounders. IEEE SSCI2023

Language

• Japanese (native)
• English (IELTS Academic Overall 7.5)