Salikoko S. Mufwene is the Edward Carson Waller Distinguished Service Professor of Linguistics at the University of Chicago. His current research is on the phylogenetic emergence and speciation of languages, and on language vitality. His books include The Ecology of Language Evolution (CUP, 2001), Iberian Imperialism and Language Evolution in Latin America (2014), and Bridging Linguistics and Economics (CUP, 2020). He is the founding editor of Cambridge Approaches to Language Contact.