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Ella McDonnell

Ella McDonnell


Ella is an associate in the London Dispute Resolution team.  



Ella specialises in assisting clients with complex, high-value commercial disputes, including class actions, contractual disputes and commercial arbitrations, many of which have cross-border elements.  She has broad experience acting for clients in a range of sectors including technology, media and telecommunications, financial institutions and professional services.

Ella is based in our London office having previously worked in International Arbitration in Paris, France.

Ella completed a three-month secondment to the Chancery Division of the High Court in London, where she was the Judicial Assistant to Mr Justice Birss (as he then was), Mr Justice Roth and Mr Justice Trower.

Ella's experience includes advising:

  • a social media company in defending a class action involving allegations of breaches of UK and EU data protection laws*
  • a Swiss-headquartered company in its defence of a USD 2 billion disputed contract claim*
  • a multinational aerospace corporation in global investigations involving allegations of bribery and corruption*

* prior to joining Herbert Smith Freehills


Ella studied History at the University of Warwick, graduating in 2016. She completed the Graduate Diploma in Law and the Legal Practice Course at BPP University. Ella was admitted as a solicitor in England and Wales in 2020.