Christina Sevdali is a Senior Lecturer at Ulster University. She studied at the University of Crete and obtained her PhD from the University of Cambridge in 2007. She works on the syntax of Ancient Greek as well as the diachrony of Greek, in particular the loss of infinitives and changes in the Greek case system. She was the principal investigator on two AHRC projects: 'Investigating Variation and Change: Case in Diachrony' and 'Language Awareness in Key Stage 3'. She has published her work in journals such as Syntax, Language, and Natural Language and Linguistic Theory. Dionysios Mertyris is a Researcher at the Research Centre for Modern Greek Dialects (Historical Dictionary of Modern Greek), Academy of Athens. He specializes in historical linguistics, dialectology, and the diachrony of the Greek language. His PhD thesis (La Trobe University, 2014) deals with the loss of the genitive case in Greek from a diachronic and dialectological perspective. He worked on the AHRC project 'Investigating Variation and Change: Case in Diachrony'. Elena Anagnostopoulou is Professor of Theoretical Linguistics at the University of Crete. Her research interests lie in theoretical and comparative syntax, formal linguistic typology, morphology, and historical morphosyntax, focusing on the interfaces between syntax, morphology, and the lexicon, argument alternations, Case, Agreement, person, gender, clitics, control, and anaphora. In 2013 she received a Friedrich Wilhelm Bessel Research Award from the Alexander von Humboldt Foundation in recognition of her past accomplishments in research and teaching and since 2019 she has been an elected member of the Academia Europaea.