Dr Marina Mattheoudakis is a Professor at the Department of Theoretical and Applied Linguistics, School of English, Aristotle University of Thessaloniki, Greece and the director of the Lab on Foreign Language Teaching and Assessment in the same department. In 2005 she proposed and designed the launch of the 3rd Experimental Primary School of Evosmos, which has participated in several pioneer educational projects in Greece and abroad. Between 2017 and 2020 she worked in Delaware, USA where she designed and implemented an innovative dual language immersion program (English and Greek), for which she was nominated by the Department of Education in Delaware (Innovation Awards 2018 and Innovation Awards 2019). In 2019 she received a Scholarship and attended the Data Wise Leadership Institute at Harvard Graduate School of Education, Boston, U.S. Her research interests lie in the fields of instructed second language acquisition, bilingual education and learner corpora. She has published widely in journals, books and conference proceedings.