Mr Peter Hayden > Mourant > Grand Cayman, Cayman Islands > Lawyer Profile

Cayman Islands

Work Department

Peter is a Partner in the Litigation department in our Cayman Islands office and has extensive experience of financial services litigation and insolvency matters.


Over the last 13 years Peter has acted in many of the largest and most complex cases to be litigated in the Cayman Islands.  Peter acts for the Algosaibi family in their on-going claims against Maan Al Sanea and his companies, successfully obtaining a US$2.5 billion judgment against Mr Al Sanea and settling certain claims. He also acts for the liquidators of the Madoff impacted Primeo fund, in successful resolving litigation against the Trustee in New York and the Cayman Islands, the investment manager, the Herald feeder fund – where the Privy Council has found in favour of Primeo on both the creditor and shareholder distribution issues – and in the on-going litigation against the administrator and custodian.

Peter has acted in a number of precedent setting fund liquidations (including Lancelot, Belmont and Heriot), large fraud cases (including Madoff, Dynamic Decisions, Fletcher and Alpha Re) and high profile restructurings (including Arcapita, CEVA, Eircom, Ocean Rig and Tailored Brands). He is regularly instructed to make urgent applications to obtain interim relief and/or to appoint provisional liquidators/receivers.


Prior to joining Mourant Ozannes, Peter worked in London as a Partner at Matthew Arnold & Baldwin (now Dentons) and before that at Allen & Overy. He has also worked in-house at UBS and Barclays.


  • The Insolvency Lawyers’ Association
  • Recovery and Insolvency Specialists Association (Cayman) / INSOL
  • The Commercial Fraud Lawyers’ Association


  • Attorney, Cayman Islands, 2008
  • Granted English Higher Rights of Audience, 2002
  • Solicitor, England, 1996 (currently non-practising)

Lawyer Rankings

Cayman Islands > Dispute resolution

(Leading individuals)

Peter HaydenMourant

Steered by fintech and digital currency specialist Nicholas Fox, Mourant is regularly engaged on a range of cross-border contentious matters, acting for a diverse roster of asset managers, public sector bodies, and fast-growth companies. Peter Hayden is a highly experienced commercial litigator who regularly appears before the Court of Appeal and the Privy Council on high-value cases. Hector Robinson KC is also a seasoned advocate before the Grand Court and Court of Appeal, with recent engagements including judicial review proceedings on behalf of the Cayman Islands Monetary Authority. Simon Dickson specialises in representing shareholders in fair value section 238 litigation, while Christopher Harlowe – who divides his time between the firm’s London and Cayman offices – focuses on cross-border restructuring and insolvency-related litigation. Jonathan Moffatt, who was promoted to partner in 2022, is a name to note for company law disputes and cross-jurisdictional liquidations.