Istvan Kecskes is Distinguished Professor of the State University of New York, USA. He is the President of the American Pragmatics Association and the Chinese as a Second Language Research (CASLAR) Association.
Chaofen Sun is Professor of East Asian Languages and Cultures and, by courtesy, Linguistics, and directs the Chinese language program at Stanford University, USA. He previously served as Chair of the Department of East Asian Languages and Cultures, and as Director of Stanford Center for East Asian Studies.