András Bárány is a Post-doctoral Researcher at SOAS, University of London. His PhD from the University of Cambridge explored the relationship between case and agreement in Hungarian and from a comparative perspective. His research interests include morphosyntactic phenomena across languages, such as possession, switch-reference, and differential argument marking, as well as Uralic and Turkic languages. He is the author of the OUP volume Person, Case, and Agreement: The Morphosyntax of Inverse Agreement and Global Case Splits (2017). Oliver Bond is a Senior Lecturer in Linguistics in the Surrey Morphology Group, University of Surrey. His research interests include theoretical morphosyntax, typology, and language documentation and description. His work has appeared in journals such as Journal of Linguistics and Linguistic Typology, and he is the co-editor, with Greville G. Corbett, Marina Chumakina, and Dunstan Brown, of Archi: Complexities of Agreement in Cross-Theoretical Perspective (OUP, 2016). Irina Nikolaeva is a Professor of Linguistics at SOAS, University of London. Her research interests are linguistic typology, syntax, morphology, information structure, and non-transformational theories of grammar, as well as the documentation and description of endangered Uralic, Altaic, and Palaeosiberian languages. Her recent books include Objects and Information Structure (with Mary Dalrymple; CUP, 2011) and A Grammar of Tundra Nenets (de Gruyter, 2014).