Huei-Mei Liu received her Ph.D. in Speech and Hearing Sciences at University of Washington, and is currently Professor of Special Education at the National Taiwan Normal University, Taiwan. She has been the principal investigator of many research grants on speech/language development and disorders in Mandarin-speaking children and received several research awards from the National Taiwan Normal University and Ministry of Science and Technology (Taiwan). She has published over 40 articles on the topics of language development and disorders. She is currently Associate Editor of Frontiers in Psychology: Developmental Psychology. She is motivated to edit the current volume and bring together original research papers and review papers that address cutting-edge issues of Mandarin speech perception and production development in children with typical and atypical development. 

Feng-Ming Tsao received his Ph.D. in Speech and Hearing Sciences at the University of Washington, and is currently Professor of Psychology and Director of Imaging Center for Integrated Body, Mind and Culture Research at the National Taiwan University, Taiwan. His research interests are speech perception development in infancy and language processing in children with communicative disorders. He has been the principal investigator of many research grants and received research award from the Ministry of Science and Technology (Taiwan). He has published some 40 articles in journals and edited volumes on speech perception in infants, children with language impairments and adults. By editing the current volume, he organized review chapters that addressed issues of learning Chinese languages.

Ping Li received his Ph.D. from Leiden University and is currently Chair Professor of Neurolinguistics and Bilingual Studies and Dean of the Faculty of Humanities at the Hong Kong Polytechnic University. He previously served as Professor of Psychology, Linguistics, and Information Sciences and Technology and Associate Director of the Institute for Computational and Data Sciences at the Pennsylvania State University. Li's research focuses on the neural and computational bases of language learning, bilingualisms, and reading comprehension, and has published 10 books or edited volumes and over 150 articles on these topics. He is currently Editor-in-Chief of Brain and Language and Associate Editor of Frontiers in Psychology: Language Sciences.