Consultant-Director of Digital Law at Herbert Smith Freehills Madrid. Counsel to the Spanish Parliament. Co-Director of the Postgraduate Degree in Privacy, digital society and artificial intelligence at the Universidad Autónoma de Madrid. Director of the Journal of Privacy and Digital Law. He has been Visiting Professor at the College of William & Mary and Visiting Research Fellow at Harvard University and is an alumni of the University of Kent at Canterbury, as well as the Instituto de Empresa.

He has been a member of the group of  innovation leaders in the Spanish speaking world "Los 100 de COTEC" (COTEC Foundation). He has been Vice-president of Internet Society-Spanish chapter and of the association of digital lawyers ENATIC. Member of the Board of the Civil Society Forum. Pablo has performed as an Arbitrator for the World Bank (ICSID). He has worked as an international consultant for the United Nations and the European Union. He has been Director of Human Resources of the Senate of Spain, Secretary General of Madrid´s Regional Parliament and Director of International Relations of Spain´s Congress of Deputies. A Research Fellow at Harvard Law School, he attended postgraduate courses at IE Business School, the University of Kent at Canterbury and the University CEU-San Pablo. A regular speaker at various international and domestic forums, as well as a regular contributor to a number of mass and specialized media. He holds the "Cruz de Oficial de la Orden de Isabel la Católica" (a civil decoration granted by the King of Spain). Pablo was granted the 2019 ISACA Award to Exceptional Achievement in Legal Cybersecurity. He is co-author of a WIPO-registered industrial design (The Hague Agreement International Register, 2021). He is the author of nine books (in English or Spanish) and editor of another four on various legal issues, especially those connected to the Internet; he has written over 50 articles in scholarly reviews. These include:

- Claves de Inteligencia Artificial y Derecho. Wolters Kluwer. 2022.
- Qué sociedad digital queremos. Alternativas regulatorias para una Europa digitalmente soberana. Wolters Kluwer. 2021.
- Artificial Intelligence and the Law. Wolters Kluwer. 2021.
- Cryptoregulation in a Nutshell. Wolters Kluwer. 2020.
- Contra el «ciberfatalismo». Beneficio y riesgo en la sociedad digital