Portrait of Juan Jesús Antúnez Muñoz

Juan Jesús Antúnez Muñoz Consultant

Juan Jesús is a member of Oxera’s Competition team, where he combines advanced econometric techniques and quantitative tools to provide rigorous analyses in economic and competition disputes. His role involves designing counterfactual analyses, quantifying damages, and preparing economic evidence for both litigation and arbitration cases. He has experience testifying as an expert witness in Spanish courts and international arbitration proceedings, collaborating closely with legal teams. Juan Jesús’s expertise spans the automotive, beverage, insurance, and pharmaceutical sectors, among others.

Before joining Oxera, Juan worked at KPMG as an Economist, where he developed expertise in competition economics, cartel investigations and the design of econometric models for damages estimation and data analysis using STATA. He holds an MSc in Economics and Finance from CEMFI, where he refined his skills in microeconometrics, industrial economics and corporate finance.

Juan speaks English, and Spanish.

Tel: +34 91 019 3564

Juan's specialisms include:

Selected
professional experience

  • Contributed on a standalone claim in the paper and cardboard industry (2024–)

  • Prepared a counterfactual scenario and provided expert testimony to evaluate a disputed earn-out payment for an arbitration case in the pharmaceutical sector (2024–)

  • Built econometric models to quantify counterfactual sales performance in the Spanish beverage sector (2023–)

  • Advised a company in the insurance sector in the context of a self-assessment of potential risks of non-compliance with competition regulations (2022–)

  • Estimated overcharges caused by anticompetitive practices in the automotive sector, delivering expert reports and testimony in Spanish courts (2021–)

Qualifications

  • MSc Economics and Finance, CEMFI, Spain

  • BA Economics, University of Malaga, Spain

  • BA Business Administration, University of Malaga, Spain

Latest Insights:  Juan Jesús Antúnez Muñoz

Events

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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