Angel J. SÁNCHEZ NAVARRO (Madrid, 1964), is Professor of Constitutional Law at the Faculty of Law of the Universidad Complutense (whose Department of Constitutional Law he has been heading since December 2017) and Visiting Professor at the Universities of Paris 2 (Panthéon-Assas) and Grenoble-Alpes (UGA): Doctor in Law with Extraordinary Prize (June 1993) and Master in Social Sciences at the Centre for Advanced Studies in Social Sciences (Juan March Institute of Studies and Research, 1989), he has been twice Deputy Director General of the Centre for Political and Constitutional Studies (of Studies and Research, between 2002 and 2004; of Publications and Documentation, from 2012 to November 2015), and Member of the Parliament and Institutions Department of the Prime Minister's Office (2000 to 2002).

His research activity, which has received a positive evaluation of the four sections (six-year periods) requested to date (1990 to 2013), has resulted in some fifty articles and six monographs as sole author: Consejo de Estado, función consultiva y reforma constitucional (Editorial Reus, 2007); La actividad de las Cortes Generales en defensa de la constitucionalcionalidad de las leyes (Universitat de València, 2004); La transición española en sus documentos (Centro de Estudios Políticos y Constitucionales, 1998); Constitución, igualdad y proporcionalidad electoral (CEPC, 1998); La oposición parlamentaria (Madrid, Congreso de los Diputados, 1997); and Las minorías en la estructura parlamentaria (Madrid, Centro de Estudios Constitucionales, 1995). He has also participated in numerous scientific conferences and seminars, both in Spain and abroad (France, Italy, Portugal, Belgium, Morocco, Serbia, Georgia, Mexico, Dominican Republic...). He is a member of the Scientific Committee of the Robert Schuman Foundation (Paris) and, since June 2002, has regularly participated, as an alternate member and as an expert, in the work of the Council of Europe's Commission for Democracy through Law (Venice Commission).