Fernando Zúñiga is Professor of Linguistics at the Universität Bern, Switzerland. His research focusses on the qualitative typology of voice and alignment, as well as on benefaction and wordhood issues. He has co-edited numerous books including Typological Hierarchies in Synchrony and Diachrony (2018) with Sonia Cristofaro. Seppo Kittilä works as a Senior Lecturer in Linguistics at the University of Helsinki. He has published extensively on transitivity and argument marking, and also causatives. He has (co-)edited numerous books on these topics including Benefactives and Malefactives (2010) with Fernando Zúñiga.