José Luis Buendía Sierra is a lawyer, director of Garrigues' Brussels office and partner in its competition department since 2005. Previously, he worked for fourteen years as an official of the European Commission, specifically in the Legal Service, in the Directorates-General for Competition and the Internal Market and in the office of Commissioner Oreja.

José Luis holds a PhD in Law with extraordinary award from the University of Zaragoza and a Master in European Legal Studies from the College of Europe in Bruges.

Law directories such as Chambers Global, Chambers Europe, Legal 500, IFLR 1000 or Global Competition Review recognise him as a leading specialist in EU and competition law. They praise in particular his "superb" work in the field of state aid and his skills as a communicator. They also highlight his extensive experience in litigation before the EU Courts. These qualities have made him the lawyer of reference for a number of Spanish and international public entities.

José Luis is also very active in academia. He is a Visiting Professor of State Aid at King's College London and at the Instituto de Estudios Bursátiles in Madrid. He was previously visiting professor of Competition at the Vrije Universiteit Brussel and assistant professor of Commercial Law at the University of Zaragoza.

Featured programmes and seminars

  • Harvard Course in Law and Economics

    Start date: 02/10/2023

    The aim of this programme is to provide an up-to-date overview of some of the relevant issues in the field of economic analysis of law.

  • Online course Competition in markets

    Start date: Open

    Introduction to the essential elements shaping competition policy and discussion of the principles and instruments of competition policy.

  • Online course Liberalism, a philosophy in danger

    Start date: Open

    Why are so many obstacles confronting liberalism, so implacable the enemies it has to contend with, and so soft the allies it can hardly count on?

  • Ethics of Artificial Intelligence. Carissa Veliz

    Start date: Coming soon

    This course will help us understand the "digital reality" we live in. A practical and constructive approach, offering possible solutions to the ethical challenges generated by AI.