Harsha Dulari Wijesekera started her teaching career as a teacher in public schools in Sri Lanka. This was followed by working in state, private and military universities. She worked with multiethnic and multilingual students in public schools and public/private universities before pursuing her Ph.D. at the Queensland University of Technology. Presently, she works as a Senior Lecturer at the Postgraduate Institute of English, Open University of Sri Lanka. Her research interests include education, social/ethnic cohesion, English language teaching, teacher education, and sociology of education. Recently, she conceptualized, designed and implemented the first-ever Postgraduate Diploma in Bilingual Education, with the aim of addressing teacher education issues in teaching content subjects through English (BE), which was fully funded by the Ministry of Education, Sri Lanka.Joseph Lo Bianco is Professor of Language and Literacy Education in the Melbourne Graduate School of Education at the University of Melbourne, and a past president of the Australian Academy of the Humanities. He specialises in language policy studies, bilingualism and intercultural education and research and action on peace and conflict in multi-ethnic settings. He was the author of the 1987 National Policy on Languages, recognised worldwide as the first multilingual policy in an English speaking society. In 1998 and 1999 he worked at the National Institute of Education in Sri Lanka on language policy and bilingual education. He has published on Sri Lankan language education policy and continued to travelled to and conduct research in Sri Lanka over the past two decades. He has been an invited consultant on solving language problems in education and in wider society in 25 countries since 1990 and has led major language education writing teams and research for major international organisations in Europe and Asia, such as LUCIDE, a 12-country municipal level study of multilingualism for the European Commission. Since 2012 he has directed a multi-country project on language policy and social cohesion in conflict affected settings in SE Asia for UNICEF and conducted large-scale policy workshops for high level policy officials across Asia, under the auspices of UNESCO. He has an extensive list of publications with a strong recent focus on social cohesion, peace and conflict mitigation in multi-ethnic settings.