Min Reuchamps is a Professor of Political Science at the Université catholique de Louvain (Belgium) and Chair of the COST Action ‘Constitution-making and deliberative democracy’ (2018–2022). Yanina Welp is a Research fellow at the Albert Hirschman Centre on Democracy, Geneva Graduate Institute (Switzerland), and Chair of the COST Action ‘Constitution-making and deliberative democracy’ (2022–2023).