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Muireann Dennehy

Partner


Muireann is a partner in our Dispute Resolution team. She is also a member of our Investigations & White Collar Crime team. Her practise focuses on corporate investigations and civil and regulatory fraud, alongside which she maintains a broad commercial litigation practice.

Muireann has considerable expertise in conducting high profile, cross-jurisdictional, investigations. She acted for Volkswagen on the global diesel emission investigations. Notably, she advised on the first deferred prosecution agreed with the Serious Fraud Office in the UK. Muireann previously held the position of head of investigations (EMEA) at the international investment bank Morgan Stanley in London.

Muireann has represented clients in disputes before the London Commercial Court, the English Court of Appeal and London Court of International Arbitration.

Muireann has over 15 years of extensive international experience from practice in London and New York. Muireann trained at White & Case and has practised with international law firms Jones Day and Quinn Emanuel.

Muireann is a former prosecutor with the United Nations International Criminal Tribunal for the former Yugoslavia in The Hague. She worked at the United Nations Headquarters in New York and the World Trade Organisation in Geneva. She maintains an active pro bono practice focusing on gender based violence and refugee issues.

Specialties

  • Corporate and regulatory investigations

  • Financial services investigations and compliance

  • Anti-bribery and corruption

  • Commercial litigation and arbitration 

Speaking Engagements & Teaching

Muireann is a former lecturer at King’s College London where she lectured international law and human rights law. 

Savii Recruitment Podcast on SEAR and practical experience of the SMCR in the UK. Listen now

  • LinkedIn

Areas of Expertise

Dispute Resolution Investigations & White Collar Crime

Professional Memberships

Law Society of England and Wales (non-practising)

Bar of the State of New York (non-practising)

United Nations Justice Rapid Response

Civilian Expert, UK’s Stabilisation Unit

Education

Columbia Law School, New York, LLM (Fulbright Scholar and Harlan Fiske Stone Scholar)

BPP Law School, London , LPC

Trinity College, Dublin, LLB (First Class Honours)