Associate Professor in School of Science & Technology at Kwansei Gakuin University. He received M.A. from Tokyo Metropolitan University and Ph.D. from Kansai University.
Sumi, S., & Tomomi, D. (2023). Application of the Elo Rating System to the Development of the Automated Test Maker for English Education. The 8th IAFOR International Conference on Education (2023.1.6, The Hawai'i Convention Center, Honolulu, Hawaii, United States).
Erik Fritz, Robert Dormer, Sei Sumi, Tae Kudo (2022). The acquisition of formulaic sequences in EFL email writing, English for Specific Purposes, 65, 15–29.