Geoffrey Thompson is Honorary Senior Fellow in the University of Liverpool and Guest Professor in Sun Yat-sen University. He is co-editor of the internationally famed journal Functions of Language, member of the editorial board of Text, and member of the editorial advisory panel of ELT Journal. He was the Founding Chair of European Systemic Functional Linguistics Association and Chair of International Systemic Functional Linguistics Association. He used to organize or co-organize several international conferences or seminars of Systemic Functional Linguistics. He has published or edited dozens of books, peer-reviewed tens of journal articles, made contributions to tens of books, and reviewed several important books. His main areas of research interests include functional grammar, discourse analysis and the development of materials for language teaching and testing.