In June 2024, GBRW merged its expert practice with Martello Expert Services. Martello was founded in 2019 by James Garvey and Richard Moore as part of Blackrock Expert Services (now Kroll). In 2020, they led a management buy-out to ensure the company remained independent. Prior to the merger, GBRW Expert Witness had a 15-year track record of providing expert support in the form of expert reports and/or advice in disputes involving banking, investment management, insurance, commodities, derivatives and related areas. The combined group has carried out over 850 engagement...

Offices in London, Cheshire, Wiltshire, Cornwall Simon has 40 years of experience working in the banking and financial world, having worked in investment and wholesale banks for over 28 years. Throughout this time, Simon built up a huge array of knowledge of different aspects of banking, which he deploys today as the author of expert reports. For the past 14 years, Simon has worked as an expert witness, providing expert reports on a whole wealth of banking and finance issues to the legal profession, for banking and corporate clients, and for the Crown Pros...

Nigel is a highly qualified and experienced banker with an in-depth understanding of all aspects of banking obtained during a career lasting over 40 years, with excellent contacts throughout the City of London. He is currently working on a part-time basis as a consultant at a trade association in the City involved in responding to the government's proposals for the new Payments Regulator. Prior to that, he was Senior Vice President and Head of Operations at an overseas bank with responsibility for information technology, trade finance, treasury settlements, capital markets and securities ...

Private banking & wealth management • Investment banking • Investment management • Graduate recruitment • Middle East & Asia Pacific

Mr Douglas has more than 30 years' experience in the financial sector, working for Deloittes, JP Morgan, NM Rothschild and Cambridge Risk. His areas of expertise include: • Derivatives trading - interest rate, bond, foreign exchange & commodity - in futures, swaps, forwards & options - trading, pricing, valuation & control of risks • Commodities trading - metals & energy (oil & gas) - in derivatives & physical • Risk management - VaR & credit risk models, limits & controls • Hedging - of financial & commodity risks R...

David was Head of Property Finance at the UK subsidiary of an overseas bank for almost 13 years. He has extensive experience as an expert witness. He managed a very successful portfolio of property development and investment loans, as well as being responsible for a portfolio of regulated mortgages. David's portfolio also comprised hotel, leisure and care homes, as well as having a close relationship with a number of bridging lenders. He was a member of the credit committee both in the UK and for the bank's Jersey subsidiary, and had in-depth experience of a wide range of commercial banki...

Dmytro Tupchiienko is a forensic accountant (CPFA) and auditor (CQI/IRCA) focusing on risk and compliance issues and regulatory work. He has over 25 years’ experience having worked as a locum tenens for legal and professional services firms, including 'Magic Circle' and 'Big 4'. He is a Certified Expert Witness for civil cases and criminal cases in England and Wales' courts (holder of Cardiff University Bond Solon Expert Witness Certificate) and in the courts of Scotland (holder of the University of Aberdeen Bond Solon Expert Witness Scheme). He holds memberships in both The Exper...

Private banking • Investment management • Asset allocation • Wealth management • Loans, mortgages, overdrafts • Regulation • On-shore off-shore issues • Insider dealing • Criminal: confiscation of assets, regulatory rule breaches, money laundering • Banking: property lending (commercial & residential) • Tax • Building & construction • Retail banking • Interest rate swaps • Libor-related claims