Ronan is Of Counsel at Arthur Cox and a member of the Competition and Regulated Markets Group. His practice covers the full range of EU and Irish competition and telecoms law.

Ronan has 15 years experience of Antitrust and Competition Law, Policy and Practice, with a focus on merger control, abuse of dominance, antitrust investigations and litigation. He has previously served at a senior level in the Competition and Markets Authority in London, during which time he led high-profile merger investigations (with a focus on the telecoms space) and dawn raids on behalf of that authority (in the pharmaceutical and medical sectors).

During his time with the CMA, he was also seconded to the Irish Competition Agency (the ‘CCPC’) and worked closely with the European Commission on both merger and antitrust investigations. His international experience of competition law, enforcement and capability building includes time in China (working with Mofcom, the Competition Regulator) and on secondment to a law firm in India. Prior to joining Arthur Cox in 2022, Ronan worked at another Irish law firm, where he brought regulatory appeals in the Irish High Court on behalf of both Three Ireland and Sky Ireland.

He holds a Masters Degree from King’s College London in EU Competition Law and, since 2020, has been named as a ‘Rising Star’ in the Legal 500.

Relevant Experience

• Advising Bank of Ireland plc on its acquisition of a loan portfolio of KBC Ireland
• Advising Link Group on its acquisition of Pepper Ireland
• Advising Applied Materials on its acquisition of Kokusai Electric
• Advising Nicholls Fuel Oils Limited on its acquisition of assets owned by DCC Energy
• Acting on behalf of Three Ireland on a High Court challenge to a decision of the Irish Communications Regulator, ComReg
• Acting on behalf of Sky Ireland on a High Court challenge to a decision of ComReg
• Acting on behalf of ASL on a damages action before the European Courts against the European Commission for losses suffered as a result of the Commission’s prohibition of the TNT/UPS merger