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Masoud Zabeti represents clients in complex litigation and arbitration, as well as regulatory matters. Masoud handles multijurisdictional matters with a particular focus on Russia/CIS, the Middle East, and major offshore financial centers. He acts on disputes arising from complex investment products and funds and advises in trade finance disputes.

Masoud also has a great deal of trial and appellate court experience, having taken many cases to trial, as well as numerous cases to the Court of Appeal and also the Supreme Court.

Masoud represents financial sponsors and creditors as well as debt and equity investors on a range of disputes and restructurings involving corporate and property acquisition finance. In the field of retail banking, his practice has centered on developing strategies for clients to deal with mass consumer mobilization. He also possesses deep experience on matters involving payment systems. Another major concentration of Masoud’s practice is the use of effective civil powers granted by courts across many jurisdictions to trace and freeze assets and secure evidence. Additionally, Masoud advises clients on major investigations across the world, including those arising from fraud and data compromise.

Masoud has been recognized by publications, including the Legal 500, as a Leading Individual in the field Banking Litigation. Legal 500 has praised Masoud for being a “master tactician,”determined,”bright, focused, experienced and a committed street-fighter,” and for being “one of London’s leading litigators.”  

Before joining Greenberg Traurig, Masoud served as head of the Finance & Banking Disputes Group at a Silver Circle U.K. firm.


  • Financial services litigation
  • Commercial litigation
  • Securities and shareholder litigation
  • Civil fraud and investigations
  • Data security and incident response
  • Russia and the Commonwealth of Independent States (CIS)



  • Representing Tradition Financial Services (one of the world’s leading inter-dealer brokers) in defending a claim for dishonest assistance brought against various financial institutions following VAT carousel fraud in the trading of EUAs (carbon credits) in 2009. The trial is listed for 2021.
  • Representing a Luxembourg-based client in a conspiracy claim arising from enforcement of a facility agreement provided by VTB Capital Plc and allegations that the sale of shares in a Lux entity that owned Bulgaria's largest telecommunications company were rigged. Proceedings are ongoing in the UK, Luxembourg, Bulgaria and the United States.°
  • Defended for Duet Asset Management a €60m claim brought by Habas Tulip before the District Court of Amsterdam and the Amsterdam Court of Appeal arising from an agreement to acquire shares in NSI, a Dutch publicly listed company. The courts accepted Habas had withheld from Duet the fact that NSI was arranging a deeply discounted €300m private placement that would immediately dilute the shares in NSI.°
  • Advising IDT Finance, a bank based in Gibraltar on payment systems issues.
  • Represented American Express in a merchant acquisition agreements arbitration conducted under the rules of the LCIA.°
  • Defended Tradition, in a team move case and a case involving competitor confidential information, both of which went to trial. An application by Tradition to secure disclosure of a copy of a settlement agreement entered into between the Claimants and a co-Defendant resulted in a widely reported judgment of the Court of Appeal on the application of litigation privilege and without prejudice privilege in the context of settlement agreements ([2019] EWCA Civ 1937). °
  • Represented Duet Limited (a private equity fund) in defending to trial a warranty/indemnity claim brought against it arising from the development of a hotel on the island of St Barts.
  • Advising Universal Capital Bank of Montenegro on various matters.
  • Advising the majority shareholders of VIM Airlines of Russia in respect of the bankruptcy of the airline.
  • Represented a Russian businessman in the oil sector in securing from the BVI Court worldwide freezing injunctions and an unprecedented order preventing the shareholders of a BVI company removing the directors. Also represented the client in a related arbitration conducted under the rules of the LCIA and connected proceedings in Switzerland.°
  • Advising the shareholders of Crane Bank in Uganda in relation to special measures taken against the bank by the Central Bank of Uganda and claims arising therefrom.
  • Advised Generali Spain on complex investment products.
  • Advised Evrofinance Mosnarbank in a dispute with an oil producer in Venezuela.°
  • Advised a Spanish client in respect of a dispute involving a joint venture that owns an oil field in Russia's Perm region.°
  • Acting for pharmaceutical and IT companies in claims brought using civil powers of search, freeze and seize against those involved in counterfeiting.
  • Advising Dubizzle, the leading online classifieds website in the UAE, on matters in England and the UAE.
  • Advised Russian bank Promsvyazbank in relation to the bankruptcy of Vladimir Kekhman.°
  • Advised a client in respect of the liquidation of a Cayman Islands based shipping fund.°
  • Represented Investec Bank Limited in proceedings arising from the largest Ponzi scheme to be uncovered in South Africa.°
  • Represented Dell in a number of matters.
  • Advised American Express in a joint venture arbitration conducted under the rules of the LCIA relating to Amex's operations in the Middle East.°
  • Represented Russian individuals and corporations in a multijurisdictional U.S. $500m claim relating to the funding and finance of substantial real estate assets in Montenegro. Secured judgment discharging a worldwide freezing injunction (and similar orders in Cyprus, the BVI, and Nevis) for material non-disclosure, and refusing jurisdiction on the basis that Russia is the proper forum.°
  • Advised various private equity houses, including Centerbridge Partners, in respect of litigious matters arising from the restructuring of Endemol.°
  • Represented Russian Bank OJSC URALSIB BANK through High Court proceedings for a claim brought by the bank relating to the rights attaching to U.S. $100 million in loan participation notes. The bank argued that resolutions proposed and passed by the majority noteholders affecting rights in the notes amounted to a fraud against the minority noteholders.°
  • Represented Bain Capital and the Ideal Standard Group in declaratory proceedings followed by an appeal relating to the powers of majority lenders, alleged events of default and the types of financial transactions that qualify as equity cures under a senior facilities agreement. Bain Capital sponsored the acquisition of Ideal Standard for U.S. $2 billion. (Strategic Value Master Fund Ltd v. Ideal Standard International Acquisition SARL & Ors [2011] EWHC 171 (Ch)).°
  • Advised Arab National Bank on various matters.°
  • Settled for Credit Suisse Trust in Guernsey a High Court claim against an international bank for breach of duty and fraudulent misrepresentation in respect of advice given to invest in a U.S. $50m property project in Dubai.°
  • Represented Standard Chartered Bank in proceedings before the High Court and Court of Appeal in relation to a substantial demand guarantee dispute, which formed part of a U.S. $130m contract for the supply of electricity in Bangladesh (Greenland Bank v. AMEX [2008] EWCH 421 (CH) and [2009] EWCA Civ 14).°
  • Represented American Express in an appeal to the High Court relating to alleged minor technical defects in a default notice served pursuant s87(1) of the Consumer Credit Act 1974. The case is authority for the proposition that a minor technical defect relating to the service of a default notice does not prevent a lender from taking enforcement action where the borrower has not been prejudiced (American Express Services Europe Ltd v. Ian Karl Robert Brandon [2010]).°
  • Following the fallout from the economic collapse of Iceland, advised financial institutions and other parties in respect of various disputes. This included advising Schneider Foreign Exchange in a €35m dispute with an Icelandic bank in respect of forex swaps, and advising a major retailer in respect of the enforcement of a “repo” agreement following the administration of Kaupthing Singer & Friedlander.°
  • Part of the team who advised the Althingi (the Icelandic Parliament) and its budget committee on a variety of matters arising from the loan agreements entered into between the depositors and investors guarantee scheme of Iceland and the commissioners of Her Majesty’s Treasury. This followed earlier advice in respect of potential disputes arising from the collapse of Iceland’s major banks and action taken against Icelandic banks in the U.K.°
  • Advised Mirax Group Holding BV in relation to a dispute in Russia and England over the terms of a U.S. $300m facility agreement provided by an investment bank. The dispute centered on the transfer of the facility obligations to a new lender and the discrepancies arising out of the transfer.°

°The above representations were handled by Mr. Zabeti prior to his joining Greenberg Traurig, LLP.


  • Listed, Legal 500 UK, “Leading Individuals – London, Banking Litigation: Investment and Retail,” 2017-2020, 2022
  • Member, Arab Bankers Association, 2015-2020
  • Director of Letzdream Foundation, a UK charity that focuses on sustainable development in India to tackle poverty and promote gender equality
  • Asviser to FIRST UK, a tech charity using robots, role models and competition to equip young people with the technical know-how and soft skills to thrive


  • B.A. (Hons), Law, Brunel University London
  • Legal Practice Course, College of Law, London
  • England and Wales
  • Farsi, 流利