Professor of Sociolinguistics and Language Teaching, and Director of the Greek Language and Multilingualism Lab (GLML) at the University of Thessaly. He studied Linguistics and Sociolinguistics at the Universities of Athens and Paris 7 from 1985 to 1995, when he obtained his PhD. He did postdoctoral research and taught linguistics, sociolinguistics and language teaching at 7 Universities in France and in Greece. He has been Visiting Professor at 5 Universities in Canada, France, Switzerland and the UK. From 2016 to 2018 he served as Vice-President for Academic and International Affairs of the Hellenic Open University. His research interests include issues of language contact in migrant communities, language policy, task-based language teaching, intercultural education, as well as open and distance education. He has been the academic coordinator of many European and national projects. The most recent of them are: 1) Creative Multilingualism: From Reality to Research to Education (MeInArt) (HFRI); 2) Languages for Human Values (HFRI); 3) Bottleneck Analysis and Teachers Training for Inclusive Education (EU-UNICEF); 4) GLML-Teach for Integration Capacity Building and ALP Pilot Implementation (EU-UNICEF).