Ke Xu teaches ESL and CALL at Borough of Manhattan Community College, City University of New York. An author and co-author of 6 books and over 40 chapters and articles, editor of 3 book series, he has published extensively in EFL testing, methodology, teacher education, computer-assisted language teaching and multicultural communication.
Linglan Cao obtained her EdD from Teachers College, Columbia University, and has taught both EFL in China and ESL in the USA for 34 years. She currently teaches composition and research writing courses at York College, CUNY, an urban school where a great number of students are foreign born, non-native English speakers.