Michelle Sheehan is Reader in Linguistics in the Department of English and Media at Anglia Ruskin University.

Theresa Biberauer is Principal Research Associate in the Department of Theoretical and Applied Linguistics at the University of Cambridge and Professor in the Department of General Linguistics at Stellenbosch University, South Africa.

Ian Roberts is Professor of Linguistics and Professorial Fellow at Downing College at the University of Cambridge.

Anders Holmberg is Professor of Theoretical Linguistics at Newcastle University and Director of Research at the University of Cambridge.