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Javier is a Public law consultant with particular expertise in energy regulation and Competition Law.

Based in Madrid, Javier has extensive experience in Public Law and has acted as external legal consultant to the Spanish Energy Commission, providing legal advice on a number of areas of energy regulation and Competition Law; he has also acted as legal adviser to a Parliamentary Group in Spain's Congress of Deputies, advising the Public Administrations' Commission and the Constitutional Commission.

As well as English, Javier also works in French.


He is the author and director of more than 10 books on Economic Public Law and also the author of more than 100 academic publications on Public Law in legal reviews both in Spain and abroad.

He has participated written the following books:

  • Estudios sobre la potestad sancionadora en Derecho de la Competencia, (Director), Civitas-Thomson reuters, Madrid 2015.
  • Cuestiones actuales del procedimiento sancionador en Derecho de la Competencia, (Director), Civitas-Thomson reuters, Madrid 2014.
  • Derecho de la Competencia y regulación en la actividad de las Administraciones Públicas (Director), Civitas-Thomson reuters, Madrid 2011.
  • La Administración electrónica: mito o realidad para el siglo XXI, IE Business School-PWC, 2010.
  • Principios de Derecho de internet, (Co-autor), Tirant lo Blanch, 2002.
  • El régimen jurídico de la inspección en el Derecho de la Competencia, 2010, Aranzadi-Thomsonreuters.
  • Derecho de la Competencia y energía eléctrica (Director), Civitas-Thomson reuters, Madrid 2009.
  • El régimen jurídico del sector ferroviario, Aranzadi-Thomson reuters, Pamplona 2007.
  • Libre Competencia y Estado Autonómico, 2005, págs 259, Marcial Pons.
  • El Estatuto Jurídico del Consumidor (Política comunitaria, bases constitucionales y actividad de la Administración), 2002, págs. 625, Civitas.
  • El marco jurídico constitucional de la Ley 11/1998, de 4 de julio, de protección de los consumidores de la Comunidad de Madrid, Premio de Investigación de Consumo de la Comunidad de Madrid, 2000, 236 págs., La Ley.
  • La regeneración de la Administración Pública en Gran Bretaña, 1996, Civitas (Co-autor Jesús Angel Fuentetaja Pastor)

Memberships and others

  • ICAM (Madrid Bar Association)
  • ASCOLA (Academic Society for Competition Law)
  • AEDC (Spanish Association of  Competition Law )
  • AEPDA (Spanish Association of Professors of Administrative Law)
  • Member of the Academic Network Competition Law


Javier holds a Phdi Law from the Universidad Complutense de Madrid and is a Professor in Administrative Law at Universidad Rey Juan Carlos de Madrid. He has been Visiting Researcher and Professor at Harvard, William and Mary and Georgetown Universities.