Portrait of Marina Seglar Eres

Marina Seglar Eres : Analyst

Marina is a member of Oxera’s Competition team. Her professional work focuses on applying economic theory and econometric analysis to matters relating to competition economics. She prepares both economic and expert reports, while also providing client support in the context of investigations and legal proceedings arising from infringements of competition law.

Before joining Oxera, she worked as an analyst for KPMG’s competition team, where she acted as an independent expert in antitrust damages claims. Her role involved assessing the existence of anticompetitive effects and quantifying damages through data analysis and econometric methods, primarily using Stata. Additionally, she has experience in cases relating to the abuse of dominance.

Marina speaks English, and Spanish.

Tel: +34 91 019 3572

Marina's specialisms include:

Selected
professional experience

  • Quantification of damages arising from the Spanish car manufacturers’ cartel (2023–25)

  • Testifying in court in relation to the car manufacturers’ cartel (2023–25)

  • Quantification of damages in a case of vertical restraint infringement in the Spanish hydrocarbons market (2023–24)

  • Analysis of the existence of a dominant position held by one of Spain’s leading real estate listing portals in the context of an abuse of dominance claim (2024)

Qualifications

  • BSc in Economics, University Carlos III of Madrid, Spain

  • BSc in Law, University Carlos III of Madrid, Spain

Latest Insights:  Marina Seglar Eres

Rebooting Competition Policy?

Date: Tuesday 11 March 2025Registration: 13:00 CETCocktail reception: 18:30 CETLocation: Sparks, Rue Ravenstein 60, Brussels Join MLex, Oxera and Paul, Weiss for a half-day conference to discuss the rapidly-changing world of merger control and antitrust enforcement. Hear from decision-makers and experts who are shaping the competition policy landscape, and engage in insightful… Read More

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