Roula Tsokalidou holds a PhD in Linguistics from Monash University, Australia (1994), specialising in sociolinguistics and language contact. She has taught English at Khon Kaen University, Thailand, linguistics, sociolinguistics, bilingualism and language teaching at Deakin and Monash Universities (1993-1995) and has worked as a researcher at the Centre for the Greek Language (1996-2001). Since 2001 she has been teaching at the Department of Primary School Education of the University of Thessaly and at the School of Early Childhood Education, Faculty of Education, Aristotle University of Thessaloniki, where she is currently associate professor of sociolinguistics and the teaching of language. Her publications and research interests lie mainly in the area of language contact, bilingualism, immigrant languages, translanguaging, language and gender and their educational dimensions. Since 2009 she is the editor and scientific head of the group for bilingualism and multiculturalism in education and society, ‘Polydromo’.