Rosamond Mitchell FAcSS is Emeritus Professor of Applied Linguistics at the University of Southampton, UK, and a past Chair of the British Association for Applied Linguistics. She is lead author of Language, Mobility and Study Abroad in the Contemporary European Context (2021, with Henry Tyne) and of Anglophone Students Abroad (2017, with Nicole Tracy-Ventura and Kevin McManus).Florence Myles is Professor Emerita of Second Language Acquisition at the University of Essex, UK, a former president of EUROSLA, and founding Chair of the Research in Primary Languages network. She has published widely on morphosyntactic development in SLA, the role of formulaic language in the construction of an L2 grammar, and how children of different ages learn foreign languages in the classroom. Emma Marsden is Professor of Language Education at the University of Oxford, UK, and a part Journal Editor of Language Learning. She has published on second language learning, processing, teaching, and testing. Emma has (co-)directed open scholarship initiatives for materials and data (IRIS), accessible summaries (OASIS), lexical vocabulary profiling (MultilingProfiler), and teaching and professional development resources (Language-Driven Pedagogy). Laura Domínguez is Professor of Linguistics at the University of Southampton, UK, and is a member of the editorial board of Second Language Research. She co-authored Research Methods in Generative Second Language Acquisition (2024, with Roumyana Slabakova and Tania Leal).