- Professor of Administrative Law at the Universidad de Alcalá, Spain;
- Jean Monnet “Ad personam” Professor of European Union Law;
- Doctor Honoris Causa from several universities, among others: Universidad Nacional de Córdoba – Argentina, Universidad de Buenos Aires – Argentina, and Universidad Nacional de Rosario – Argentina;
- Doctorate in Law from the Universidad de Granada, Spain;
- Postdoctoral Research Fellow at various universities, including: Université Catholique de Louvain – Belgium, Sorbonne Université – France, Harvard University – United States of America, Columbia University – United States of America and New York University – United States of America;
- Master’s Degree in Advanced European Community Studies from the Collège d’Europe, Belgium;
- Master in Business Management and Administration from the Instituto de Empresa, Spain;
- Degree in Comparative Law from the Université de Strasbourg, France;
- President of the Euro-Latin American Institute of Integration Studies (IELEPI);
- Author of more than 70 books and more than 500 scientific articles;
- https://orcid.org/0000-0001-5074-8322.