Presentation at the Geographic Education Society of Japan, Tsukuba, 2025Intercultural Exchange Day, Shumei University, 2025Preparation of the Intercultural Exchange Day, Shumei University, 2025High school special lecture, Chiba, 20025Former Ambassador of Korea special lecture, Tokyo, 2025Dr. Carol Finn Special Lecture at Waseda University, 2025The 100th Anniversary of the Association of Japanese Geographers, Tokyo, 2025Prof. Gaku Kimura's special lecture at Shumei University, 2025Students with intercultural exchange with Salem State UniversityLecture for high school students, Shumei University, 2025Presentation at JpGU 2025Presentation at The Association of Japanese Geographers, Tokyo, 2025Inaugural Ceremony of Hope NK (NKNGO Forum), Tokyo, 2024Lecture for high school students, Shumei University, 2025Seminar, Shumei University, 2025Lecture at Kangwon University, Korea, 2025Lecture at Kangwon University, Korea, 2025British Museum, London, UK, 2026Ashmolean Museum, Oxford, UK, 2026Canterbury Cathedral, Canterbury, UK, 2026University of Kent, Canterbury, UK, 2026AGU 2024 Fall Meeting, Washington DC, USPresentation at AGU 2025 Fall Meeting, New Orleans, Louisiana, USPresentation at JpGU2025, Makuhari Messe, Chiba, JPJpGU2025 @ Makuhari Messe, Chiba, JPJpGU2025@Makuhari Messe, Chiba, JP