Professor of English Linguistics, University of Regensburg

Professor of English Linguistics, Stockholm University

President's Chair Professor of Education

Associate Professor at the University of Texas at San Antonio

Arizona State University

Associate Professor of TESOL Education, The University of Queensland

Professor of Applied Linguistics, Chinese University of Hong Kong

Professor of Applied Linguistics at King Abdulaziz University

Department of English, The Hong Kong Polytechnic University

Distinguished Service Professor of Linguistics and India Studies, Stony Brook University