Dr Marina Mattheoudakis is a Professor at the Department of Theoretical and Applied Linguistics, School of English, Aristotle University of Thessaloniki. She holds an MA in TEFL/TESL from the University of Birmingham, UK and a PhD in Lexicology from the Department of Theoretical and Applied Linguistics, School of English, Aristotle University of Thessaloniki. She has taught English as a foreign language for 10 years in all levels of education. She currently teaches courses in methodology of language teaching, second language vocabulary acquisition and corpus linguistics (at the undergraduate level) and in linguistics for language teaching (at the postgraduate level). Since her employment at the School of English she has been actively involved in the organization of the teacher training courses of the department and has offered several courses on various topics related to the teaching of English. She has also been invited by the British Council, TESOL Macedonia-Thrace, and school advisors to give teacher training courses to practicing English language teachers in Macedonia, Thrace and Thessaly. She is currently one of the scientific coordinators of the Teacher Training Courses offered by the School of English, Aristotle University of Thessaloniki. Her main research interests are in the areas of teaching methodology, mental lexicon, lexicology and corpus linguistics. She has published in journals and conference proceedings.