立命館大学文学部教授。お茶の水女子大学大学院人間文化研究科博士後期課程修了。人文科学博士。専門は年少者日本語教育，国語教育。主著に『母語を活用した内容重視の教科学習支援方法の構築に向けて』（ひつじ書房，2007年），『外国から来た子どもの学びを支える』（編著）（文理閣，2016年）など。
Professor at the College of Letters, Ritsumeikan University. Junko obtained her doctorate from the Graduate School of Humanities and Sciences, Ochanomizu University. She specializes in Japanese education for young learners, and Japanese language subject education (kokugo). Her works include Towards a Content-centered Subject Learning Support Method using the Mother Tongue (Hitsuji Shobo, 2007) and Supporting the Learning of Children from Abroad (Bunrikaku, 2016).