Patricia Popelier is full professor at the law faculty of the University of Antwerp and director of the research group of government and law. She is also senior research fellow at the University of Kent, Centre for Federal Studies, and co-promoter of the Centre of Excellence GOVTRUST. Her main research topics are federalism and multilevel governance, constitutional review, legislative studies, and issues of legitimacy and legal certainty. She is the author of more than 300 publications in the field of public law, including the monograph Federal Dynamics. A New Theory of Regional Authority and Cohesion (Routledge 2021).