Helen de Silva Joyce has worked for many years in curriculum and program management roles in the adult English as a second language field, and has experience as a teacher and a teacher trainer. She is the author of numerous language education resources and journal articles for all sectors of education, including two recent books on visual literacy and multimodality. She has undertaken research into various aspects of language use in social contexts and developed a curriculum that has guided teaching practice.Elizabeth A. Thomson is an Academic Research Officer at the Centre for Defence Research, Australian Defence College, Canberra, and an Adjunct Associate Professor at the University of Canberra. She researches in the fields of sociolinguistics and interculturality. Her most recent publication is the report Battling with words: A study of language, diversity and social inclusion in the Australian Department of Defence.