Paul Gillespie directs the Constitutional Futures after Brexit project in the School of Politics and International Relations in University College Dublin. Michael Keating is Emeritus Professor of Politics at the University of Aberdeen and Honorary Professor at the University of Edinburgh; he was also co-founder and Director of the Centre on Constitutional Change. He is the author of several publications, including but not limited to State and Nation in the United Kingdom: The Fractured Union (OUP, 2021), The Independence of Scotland. Self-Government and the Shifting Politics of Union (OUP, 2009) and The Government of Scotland. Public Policy Making after Devolution (EUP 2005). Nicola McEwen is Professor and Director of the Centre for Public Policy at the University of Glasgow.