In addition to his honorary appointment with Sydney School of Education and Social Work, Geoff Williams is an Emeritus Professor of Language and Literacy Education at the University of British Columbia, Canada, where he was Head of the Department of Language and Literacy Education from 2005 to 2010. Prior to that, he held senior lecturer appointments at the University of Sydney in the Faculty of Education (1979-1993) in the fields of Primary Education and English Language, and the Faculty of Arts, Department of English, in the English Language and Early English Literature section (1993-2005). He has been a regular Academic Visitor to several universities in China and Hong Kong. Geoff is a former Chair of both the Australian and International Systemic Functional Linguistics Associations.