Director of the Comprehensive Research Institute for Chinese Language Education, Faculty of Letters, Waseda University, Japan. As an expert in linguistics and applied linguistics, he pioneered the "Information Folding Theory," systematically analyzing cultural differences between Japan and China and the resulting cross-cultural friction. This provides a scientific framework and practical guidance for intercultural understanding. He has long been committed to innovation in both the theory and practice of language education, balancing academic research with teaching promotion, and enjoys a high reputation in the field of international language education. As a board member of the Japan CLIL Association, he actively promotes the research and dissemination of integrated approaches to language education and academic content, injecting new momentum into the development of language education and cultural exchange between China and Japan.