Mr Ian McDonald > Mayer Brown International LLP > London, England > Lawyer Profile
Mayer Brown International LLP Offices

201 BISHOPSGATE
LONDON
EC2M 3AF
England
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Mr Ian McDonald

Work Department
Litigation
Position
Ian McDonald is co-leader of Mayer Brown’s global Litigation & Dispute Resolution practice and a member of the firm’s global Cybersecurity & Data Privacy practice, based in London.
He acts for banks and funds, particularly in high value disputes relating to loan structures, structured finance and derivatives, many of which have cross-jurisdictional elements and often managing large teams and competing priorities. Most recently he has been part of a cross-office, cross-practice team advising a financial institution on a cybersecurity incident, including leading on litigation aspects in the UK. He has also advised on cases for financial institutions involving allegations of mis-selling, misconduct, misrepresentation, deceit, fraud, breach of duty, contractual interpretation and breach of transactional documentation, as well as on matters of enforcement, rectification and restitution. He is co-leader of the firm’s International Banking and Financial Litigation Action Group. Ian also acts for licensed insolvency practitioners, noteholders, lenders, creditors, directors and borrowers in contentious insolvency matters.
Education
University of Cambridge, Jesus College
Lawyer Rankings
London > Dispute resolution > Banking litigation: investment and retail
(Hall of Fame)Regularly called upon by international banks, Mayer Brown International LLP fields extensive expertise in financial regulation and sanctions. ESG matters are also a key aspect of the ‘strong and developed’ team’s caseload. Ian McDonald leads, with a wealth of experience advising on loan structure, structured finance, and derivatives disputes. Chris Chapman and Mark Stefanini are other key contacts for financial institutions and large corporates. Airlie Goodman brings to the team cross-border expertise in cases such as breach of contract claims, and the addition of Sarah Garvey from A&O Shearman in October 2023 strengthened the team’s multi-jurisdictional offering. Finance disputes specialist Stephen Moi represents financial institutions in the full range of litigation, from fraud and mis-selling claims to contentious restructurings. Chris Roberts focuses his practice on financial crime, while Lauren Theodoulou is an expert in financial products disputes.
London > Dispute resolution > Commercial litigation: premium
Working with a growing number of private equity and technology sector clients, the litigation and regulatory enforcement team at Mayer Brown International LLP – led by Ian McDonald – excels in cross-border commercial disputes. ‘Exceptional commercial litigator’ Miles Robinson is regularly called upon to handle post-M&A and shareholder disputes, while Mark Stefanini’s broad practice ranges from contractual, joint venture and supply chain disputes, to competition and breach of warranty claims. Airlie Goodman is ‘extremely bright and commercially aware’, active in commercial litigation across the financial and professional services, mining and renewable energy sectors. Stephen Moi is another key contact, along with Jonathan Cohen.
Lawyer Rankings
- Hall of Fame London > Dispute resolution > Banking litigation: investment and retail
- Banking litigation: investment and retail London > Dispute resolution
- Commercial litigation: premium London > Dispute resolution
Top Tier Firm Rankings
- Finance > Asset based lending
- Real estate > Commercial property: corporate occupiers
- Real estate > Construction: contentious
Firm Rankings
- Finance > Bank lending: investment grade debt and syndicated loans
- Dispute resolution > Banking litigation: investment and retail
- Real estate > Commercial property: investment
- Finance > Debt capital markets
- Finance > Derivatives and structured products
- Industry focus > Emerging markets
- Investment fund formation and management > Fund finance
- Projects, energy and natural resources > Infrastructure: Project finance and development
- Projects, energy and natural resources > Mining and minerals
- Employment > Pensions (non-contentious)
- Real estate > Property finance
- Finance > Securitisation
- Finance > Trade finance
- Real estate > Commercial property: development
- Real estate > Construction: non-contentious
- Finance > Corporate restructuring & insolvency
- Corporate and commercial > Equity capital markets – small-mid cap
- Corporate and commercial > EU and competition: trade, WTO anti-dumping and customs
- TMT (technology, media and telecoms) > Fintech: corporate and commercial
- Industry focus > Hospitality and leisure
- Insurance > Insurance: corporate and regulatory
- Dispute resolution > International arbitration
- Finance > Islamic finance
- TMT (technology, media and telecoms) > IT and telecoms
- Projects, energy and natural resources > Oil and gas
- Employment > Pensions: dispute resolution
- Corporate and commercial > Private equity: transactions - mid-market deals (up to £500m)
- Insurance > Product liability: defendant
- Insurance > Professional negligence
- Projects, energy and natural resources > Renewables
- Corporate and commercial > VAT and indirect tax
- Finance > Acquisition finance
- Dispute resolution > Commercial litigation: premium
- Risk advisory > Data protection, privacy and cybersecurity
- Real estate > Environment
- Risk advisory > ESG
- Corporate and commercial > Financial services: contentious
- Corporate and commercial > Financial services: non-contentious/regulatory
- TMT (technology, media and telecoms) > Fintech: regulatory
- Insurance > Insurance and reinsurance litigation
- TMT (technology, media and telecoms) > Media: Film & TV
- Risk advisory > Regulatory investigations and corporate crime (advice to corporates)
- Industry focus > TMT
- Corporate and commercial > Corporate tax
- Employment > Employee share schemes
- Employment > Employers
- Crime, fraud and licensing > Fraud: civil
- Corporate and commercial > EU and competition
- Corporate and commercial > M&A: Upper Mid-Market And Premium Deals, £750m+
- Dispute resolution > Public international law