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Juan Jiménez-Laiglesia


Juan Jiménez-Laiglesia


Professor IE Law School


Global Public Law and Governance

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Juan supports clients in the areas of joint ventures, strategic alliances, and mergers and acquisitions (on behalf of both notifying parties and third parties). He provides advice on abuses of dominant position, cartel investigations and state aid matters before the European Commission, the European Courts and the Spanish competition authorities and courts.

Juan joined Ernst & Young as a partner responsible for the Competition Department in 2016. Prior to joining Ernst & Young, he was managing partner of DLA Piper’s Madrid office, and he co-directed the Competition Department for Europe, Middle East and Africa of said law firm. Before that, he had founded his own firm with his brother, José María Jiménez-Laiglesa, and worked for Jones Day.

Juan is particularly experienced in Antitrust and Competition, International Trade, Regulatory and Government Affairs.

Academic background:

  • Law Degree, Universidad Complutense de Madrid
  • Degree in Economic Sc., Universidad Complutense de Madrid
  • Degree in Political Sc., UNED