Rafael Ruiz Andrés is Assistant Professor of Sociology at the Faculty of Political Science and Sociology of the Complutense University of Madrid. He obtained his PhD (with international mention and honours) in Sciences of Religions from the Complutense University of Madrid (UCM) in 2019. His PhD thesis received the national award for doctoral theses from the Spanish Society of Sciences of Religions. He was a pre-doctoral researcher (2015-2019) at the Institute of Sciences of Religions of the Complutense University of Madrid and collaborated with different public and private entities, notably the madri+d Knowledge Foundation of the Region of Madrid He is the secretary of 'Ilu. Revista de Ciencias de las Religiones. Throughout his academic career, he has participated in several research groups and projects, was part of the Europaeum Scholarship Programme (2018-2019), coordinated by the University of Oxford, of the KAICIID International Fellowship Programme (2021) on intercultural and interreligious dialogue and researched at the École Pratique des Hautes Études in Paris. His research interests revolve around the historical sociology of secularisation, religious metamorphoses in the contemporary world, social structure and religion, religious pluralism, intercultural & interreligious dialogue and postsecularisation, topics on which he has participated in national and international conferences, and has published articles in indexed journals, book chapters and the book "La secularización en España" (Editorial Cátedra, forthcoming in early 2022).