Deborah is Head of Dispute Resolution and was formerly Head of our Global Investigations Group. Her practice covers the broad spectrum of commercial litigation and both domestic and cross-border investigations. She acts on substantial and complex commercial disputes for a wide range of clients, including a number of international banks and financial institutions.

Deborah is highly regarded for her banking litigation practice (where her clients include Deutsche Bank), and is regularly involved in complex corporate recovery and insolvency work. She also has extensive experience of investigations and inquiries involving the financial services sector, in particular multi-jurisdictional investigations involving a number of national regulators.

Highlights include advising:


  • Deutsche Bank in relation to numerous simultaneous regulatory investigations in multiple jurisdictions into the setting of various interbank benchmark rates
  • the Resolution Committee and Winding-up Board of Icelandic bank Glitnir on a number of international contentious matters arising out of Glitnir’s insolvency, including claims against derivatives counterparties, cross-border recognition of the insolvency process, and assisting in developing a litigation strategy before the Icelandic courts to resolve key points of principle in relation to claims in Glitnir’s winding-up
  • the Unilever pension fund on its widely-reported claim against Mercury Asset Management: this case remains the leading case on negligent fund management
  • a Magic Circle firm in relation to a professional negligence claim for some EUR 140 million in respect of advice given by it on a financing transaction
  • MyTravel in:
    • its claim for damages against the European Commission, following from the successful appeal to the Court of First Instance (CFI) of the ECMR decision prohibiting its acquisition of the tour operator First Choice. Deborah also represented MyTravel (then Airtours) in the original merger case and subsequent appeal against the unlawful prohibition decision, which was annulled in June 2001. This was the first time the CFI ruled on a claim for damages brought against the European Commission in circumstances where it had wrongly prohibited a merger
    • the litigation which compelled the bondholders to consent to the company’s restructuring
  • RWE Aktiengesellschaft, a leading European utility group, in its successful defence of a US$1.4 billion damages claim, subject to LCIA arbitration, brought by the Russian Sintez Group, owned by Senator Leonid Lebedev

Deborah is ranked as a leading individual for Banking Litigation (for which she is ranked in the top tier), Financial Services (Contentious Regulatory) and Litigation in Chambers UK, 2017. She is recognised as a leading individual for Banking Litigation and Commercial Litigation in The Legal 500, 2016, where she is also recommended for Financial Services (Contentious). Deborah is also ranked for Dispute Resolution: Litigation in Chambers Global, 2016 and for Litigation in Chambers Europe, 2016. She was one of The Lawyer's Hot 100 for 2012 and ranked as one of Chambers' Top 100, 2013.


Deborah is a member of the Commercial Court Committee and a Trustee of the Trust for London.

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