Francesca Costa is Associate Professor in English Language and LIinguistics at Università Cattolica del Sacro Cuore in Milan. She has been involved with CHEI since 2016 as one of the trainers and materials developers for the modules on the international classroom and as affiliated faculty. She has also been a lecturer-trainer on EMI since 2016 and a teacher-trainer on CLIL since 2001. She taught English Linguistics at Università Cattolica del Sacro Cuore in Milan from 2002 to 2017, Scientific English at Università degli Studi di Pavia from 2006 to 2014 and English for Primary Education at Università degli Studi di Bergamo from 2017 to 2019. Her area of research focuses on applied linguistics, the teaching and learning of the English language at all levels of education (from primary to university) with particular focus on codeswitching and translanguaging, Bilingual Education, CLIL (Content and Language Integrated Learning), ICLHE (Integrating Content and Language in Higher Education), EMI (Engish-medium Instruction) and scientific English. She graduated in Modern Languages from Università degli Studi of Milan and holds a Bachelor degree in Science and a Doctorate in Education, Department of Education, The Open University (UK).