Sara Iglesias Sánchez (PhD Universidad Complutense of Madrid; LLM Yale Law School) is Legal Secretary at the Court of Justice of the European Union. She was previously a lecturer at the University of Cádiz, doctoral researcher at the Universidad Complutense and visiting researcher in several academic institutions. She has widely published on EU migration law, citizenship and fundamental rights. Maribel González Pascual is Associate Professor at Pompeu Fabra University, Barcelona, and a member of the Cabinet of the Spanish Ministry on Regional Policies. She was post-doctoral researcher at the Max Planck Institute in Heidelberg, a doctoral researcher at the Universidad de Salamanca, and at the INAP (Madrid), and visiting researcher in several academic institutions. Se has widely published on fundamental rights' protection in Europe and on federalism.