CAO Xianwen is the Vice Dean of the Institute for the International Students, a Professor of Linguistics, a researcher of The China Center for Linguistics and Strategic Studies of Nanjing University. He is also a council member and a deputy chairperson of Professional Development Committee of International Society for Chinese Language Teaching (ISCLT). His research focuses on International Chinese education, linguistics and applied linguistics. His major publications are New Research on International Chinese Language Education; Research on Effective International Chinese Language Teaching; Applied Linguistic Empirical Research Methods and Quantitative Data Analysis: Perspectives on Research on Teaching Chinese as a Foreign Language; Linguistic Prisms: An Introduction to Interdisciplinary Linguistics.