Elena Babatsouli is Assistant Professor at the University of Louisiana at Lafayette, USA. She has edited On Under-reported Monolingual Child Phonology and co-edited Crosslinguistic Encounters in Language Acquisition with David Ingram and Nicole Müller (Multilingual Matters), among other volumes. She co-edits with Martin Ball the Journal of Monolingual and Bilingual Speech (Equinox).
Martin J. Ball is Honorary Professor at the University of Bangor, Wales. He is a lead journal and book-series editor and a prominent figure in clinical linguistics/phonetics with numerous monographs and edited books, including most recently Grammatical Profiles: Further Languages of LARSP (co-edited with Paul Fletcher and David Crystal, Multilingual Matters).