Dr. Cayón Peña has a PhD in Law from Universidad Pontificia Comillas (ICADE).
Before becoming Rector at University Nebrija, he has been General Secretary, Vice-rector for International Relationships, Head of the Law and International Relationships Academic department, Legal Counsel, Full Professor (Law philosophy, Moral & Politics) before been Rector at Universidad Nebrija.
He has also been Assistant professor at the Ministry of Law and Justice, and the Ministry of Internal Affairs (Police National Force).
Author of many articles and co- author of several books.
Academic Scholar of the Royal Academy of Jurisprudence and Legislation.
Benefactor of the Elias de Tejada and Erasmo Percopo Foundation.
Member of the Società Internazionale Tommaso d’Aquino
Member of the International Union of Catholic Jurists.
President of the Southamerican Catholic Culture Association.
Academic Scholar of the Arts and Sciences Academy, Puerto Rico (USA).
He has been visiting professor in different universities: Catholic University of Santiago de Guayaquil (Ecuador), Inter American University of Puerto Rico and Pan-American University of Mexico.
Prof. Cayón is member of the Pugwash Movement.