Graduated from Osaka City University. Completed the Master’s program at Osaka University of Foreign Studies (currently Osaka University) and the Doctoral program at Waseda University Graduate School. Holds a Ph.D. in Japanese Language Education.
Served as an assistant at Waseda University and a researcher at the National Institute for Japanese Language and Linguistics. Has held current position since 2017.
Actively involved in the development of numerous Japanese language teaching materials and specialized books for Japanese language educators, including “流暢性と非流暢性” (Fluency and Non-Fluency), “日本語コミュニケーションのための読解教材の作成” (How to Create Reading Materials for Japanese Communication) and “ミニストーリーで覚える JLPT日本語能力試験ベスト単語N3 合格2100” (The Best Vocabulary Builder for the Japanese-Language Proficiency Test N3).