He has held senior academic positions in Hong Kong, Hawaii, New Zealand and Singapore, and has conducted workshops and seminars worldwide. His primary interests are in language teaching methodology, materials design, and teacher education, areas in which he has published many articles and books. He has also authored many widely used classroom texts for second language learners and is the co-author of the Longman Dictionary of Language Teaching and Applied Linguistics. In addition, Jack Richards is the author of the Interchange series.