Feng Geng is an Assistant Professor at School of International Studies, Civil Aviation University of China. He obtained his Ph.D. in Education at Faculty of Education, University of Macau, Macau SAR, China. His research interests include second language writing and second language teacher education. His publications have appeared in System, Journal of Second Language Writing, Studies in Continuing Education and Scandinavian Journal of Educational Research. Shulin Yu is Associate Professor at Faculty of Education, University of Macau, China. His research interests include second language writing and classroom feedback and assessment in higher education.

He has published in Educational Research Review, Assessing Writing, Journal of Second Language Writing, Language Teaching Research, Language Teaching, and TESOL Quarterly (TESOL: Teaching English to Speakers of Other Languages). He is Associate Editor for Journal of Second Language Writing, Assessing Writing and The Asia-Pacific Education Researcher.