Fernando Díez Estella

Fernando Díez Estella is a Professor of Commercial Law at the Faculty of Economics and Business of Antonio de Nebrija University in Madrid, Spain. His academic career spans over two decades with a primary focus on Competition Law and European Union Law, establishing him as a leading expert in antitrust regulation, particularly regarding digital markets and price discrimination.

• Doctor by Universidad Autónoma de Madrid (2002)
• Thesis: "La discriminación de precios en el derecho de competencia"
• Supervised by Dr. Javier García de Enterría Lorenzo Velázquez

Professor Díez Estella's research centers on the evolving challenges of Competition Law in the digital era, with particular expertise in algorithmic collusion, data-driven market power, and regulatory frameworks like the Digital Markets Act. His work bridges theoretical legal analysis with practical applications, examining how traditional antitrust principles apply to emerging technologies and business models. He has made significant contributions to understanding vertical agreements in luxury goods distribution and the complex relationship between competition law and data privacy regulations.

His scholarly output demonstrates a clear evolution from foundational competition law concepts to cutting-edge analysis of digital market challenges. Recent publications focus on AI applications in pricing, cloud computing markets, and the implementation of EU regulations like the Digital Markets Act. The research shows consistent engagement with both theoretical frameworks and practical legal applications, particularly through analysis of landmark court decisions and regulatory developments across Europe.

Professor Díez Estella maintains an active research agenda with numerous publications appearing in both Spanish and English academic journals. His work is characterized by interdisciplinary analysis, connecting legal doctrine with economic theory and technological developments. He frequently collaborates with other leading scholars in the field, contributing significantly to both Spanish and European competition law discourse.