Keisuke Fujii (藤井 慶輔), Ph.D. 


Keisuke Fujii is an Associate Professor at the Graduate School of Informatics, Nagoya University, Japan. After receiving his Ph.D. from Kyoto University, he held a postdoctoral position at Nagoya University and worked as a research scientist at RIKEN before assuming his current position. Since April 2026, he has also been cross-appointed as a Founding Lead at CyberAgent, Inc. His research interests include computer vision, multi-agent modeling, and the integration of domain knowledge and machine learning for analyzing multi-body time-series data, including sports, animal groups, and other moving objects. In particular, he aims to develop and democratize AI in these fields and founded OpenSTARLab with his colleagues. His open-access book, Machine Learning in Sports, was published in April 2025.