Portrait of Simona Castellini

Simona Castellini Managing Consultant

Simona is a member of Oxera’s Competition and Analytics teams. She has advised clients in cases involving horizontal and vertical agreements, abuse of dominance (including in the context of private litigation), mergers, regulatory appeals, and market investigations by the UK Competition and Markets Authority (CMA), the Italian competition authority (ICA) and other competition and regulatory authorities in Europe. Simona is also highly experienced in applying quantitative techniques for analysing efficiency arguments in regulatory and competition settings. She has worked on these issues across a broad range of sectors including financial services, digital, energy, and retail.

Simona speaks English, Italian, and French.

Tel: +44 (0) 20 7776 6689

Simona's specialisms include:

Selected
professional experience

  • Advice to a manufacturer in the context of an investigation by the ICA into an alleged breach of Article 102 (2022–)

  • Advice to a large digital platform on ongoing competition and regulatory investigations (2021–)

  • Advice to VetPartners during the CMA investigation of its acquisition of Goddard (2021–)

  • Advice to an airline on a number of abuse of dominance cases brought by online travel agencies in the Irish and UK High Courts (2021–)

  • Advising comparethemarket.com in the context of the CMA’s investigation into its use of most-favoured-nation clauses in home insurance and the appeal process to the CAT (2019–)

  • Advice to Coop in the context of a merger in the grocery sector (2021)

Qualifications

  • MSc Economic and Social Sciences, Bocconi University, Milan, Italy

  • BA International Economics, University of Padua, Padua, Italy


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Latest Insights:  Simona Castellini

Agenda
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Depiction of Most-favoured-nation clauses: how to assess their competitive effects?

Most-favoured-nation clauses: how to assess their competitive effects?

Most-favoured-nation clauses (MFNs) remain a hot topic in competition policy. The direction of travel has generally been one-way, with the UK and European vertical block exemption regimes designating wide MFNs…
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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Courses

Using economics in competition cases

How can economics tools support me in competition cases? For more than 20 years, our training course has helped participants gain the confidence to judge and rely on economic arguments and evidence put forward in a case. Previous attendees have included practitioners, in-house lawyers faced with an inquiry, and senior… Read More

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