**About the Editors**

**Carsten Humlebæk** (Associate Professor) graduated in Hispanic philology at the University of Copenhagen in 1998, and obtained his Ph.D. in History and Civilization from the European University Institute in Florence, Italy, in 2004. Since 2005, he has held an associate professorship of Spanish Cultural and Social Analysis at the Department of Management, Society & Communication at Copenhagen Business School. He has participated in a number of international research projects centered on Spanish nationalism, nationalist conflicts in Spain, and related issues funded, e.g., by Volkswagen Stiftung in Germany, the European Science Foundation, and the Spanish Ministry of Science and Innovation. From 2014 to 2016, he was Marie Curie fellow at the University Pablo de Olavide, Seville, Spain, where he worked on the research project *Negotiating Spain: The shifting boundaries between "nation", "nationality" and "region"*, and has since been a member of the DEMOSPAIN research group.

**Antonia Mar´ıa Ruiz Jim ´enez** (Associate Professor) graduated in Contemporary History at the Universidad de Malaga in 1994, and obtained her Ph.D. in Political Science and Administration ´ from the Universidad Autonoma de Madrid in 2002, becoming a Doctor Member of the Juan March ´ Foundation the same year. She has been a visiting scholar/researcher at the Institute of Social Science in the University of Lisbon (Portugal), ECASS (Essex University, UK), the Department of Government (GSAC, Harvard University, USA), the Center for European Studies of the University of Miami (USA), the Center for European Studies of the University of Carleton (Canada), the Washington Institute for Near East Policies (USA), and the Center on Constitutional Change (Edinbrugh University), among others. She has taught at Complutense University and UNED in Madrid. She joined the Department of Sociology at Universidad Pablo de Olavide de Sevilla in 2006, where she has served as Associate Professor of Sociology since her appointment in 2011. Professor Ruiz has led national and international research projects and is now the leader of DEMOSPAIN research group. She is currently the Head of the Department of Sociology since 2019.
