Dr Koji Tachibana

Koji Tachibana, PhD, is an Associate Professor of Philosophy at Chiba University (Japan) and an International Associate Scholar at Georgetown University Medical Center (USA). His research interest includes ancient Greek philosophy (Aristotle’s ethics), contemporary virtue ethics, neuroethics, space ethics, and Japanese philosophy. His books include Alternative Virtue: Japanese Perspectives on Christian and Confucian Traditions (Routledge, 2024), Aristotle in Japan: Reception, Interpretation and Application (co-edited with T. Kondo, Routledge, 2025), and What Is Space Exploration For? (co-authored with T. Milligan, Bristol University Press, forthcoming). He has also published the latest Japanese translations of Nicomachean Ethics (co-translated with K. Watanabe, Kobunsha, 2016) and Eudemian Ethics (co-translated with K. Watanabe and K. Kato, Kobunsha, 2026). His articles include “Ethics in Space Security” in The Oxford Handbook of Space Security (OUP, 2024) and “Workplace in space: Space neuroscience and the performance management in terrestrial environments” in Organizational Neuroethics (Springer, 2021), and “Nonadmirable Moral Exemplars and Virtue Development” (Journal of Moral Education, 2019). He will conduct his research on virtue ethics and space ethics during his visit to UOI.