Professor, Language Teaching and Learning, University of Vienna

The City College of New York, CUNY

Professor of Languages and Literacies at Wits University

Associate Professor of Education, University of Maryland

Senior Lecturer, Newcastle University

University of Groningen / NHL StendenUniversity of Applied Sciences

Professor of Linguistics, University of the Western Cape

New Mexico State University

Associate Professor of STEM Education, The University of Texas at Austin

Assistant Professor of Language and Literacy Education and Co-Director of CAISE, HKU