Lawyer
Madrid
rcastillo@santiagomediano.com

Rodrigo Castillo

Rodrigo Castillo

Rodrigo is a lawyer specialising in public, administrative and constitutional law.

He holds a degree in Law and Community Law from the San Pablo CEU University and a double master’s degree in Access to the Legal Profession and International Law from the Instituto Superior de Derecho y Economía (ISDE). He has also completed a specialist course in competition law at the Carlos III University of Madrid and an advanced course in contentious-administrative litigation at the School of Legal Practice of the Complutense University of Madrid. Rodrigo has experience in providing legal advice to companies, individuals and professional corporations, as well as in complex litigation.

He has participated in appeals before the Supreme Court, appeals for constitutional protection before the Constitutional Court and lawsuits before the European Court of Human Rights (ECHR). He has also been involved in international cases before the UN Human Rights Committee, bringing Spain before this body for its failure to comply with the International Covenant on Civil and Political Rights.
In addition, he has experience in legislative advice, having collaborated in the drafting of several popular legislative initiatives (ILP) for public law corporations.

He is the creator and author of the legal blog Delacompetencia.es, specialising in Administrative, Regulatory and Constitutional Law.

In 2025, he joined our firm as an associate in the area of Public, Administrative and Regulatory Law.

AREAS OF PRACTICE
  • Public Law
SECTORS
  • Public Sector
SPECIALIZATIONS
  • Complex Litigation
  • Competition Law
LANGUAGES
  • English
  • Spanish
Education
  • Advanced Course in Contentious-Administrative Litigation by the School of Legal Practice at the Complutense University | 2024
  • MasteR’s Degree in European Union Studies from the European Institute | 2022 – 2023
  • Expert Degree in Competition Law from Carlos III University of Madrid | 2021 – 2022
  • Double Master's Degree in Access to the Legal Profession and International Law from the Higher Institute of Law and Economics (ISDE) | 2020 – 2021
  • Bachelor’s Degree in Law and Community Law from San Pablo CEU University | 2016 – 2020
Experience
  • Lawyer at Santiago Mediano | 2025 – present
  • Lawyer in the areas of public law and complex litigation at Castillo-Calvín Abogados | 2022 – 2025
  • Legal intern in the areas of competition law and administrative law at MLAB Abogados | 2022
  • Legal intern in the commercial law department at Garrido Abogados | 2021
  • Legal intern in the legal departamento at Renault España, S.A. |2018
Professional affiliations
  • Member of the Madrid Bar Association.