INDIVIDUAL PROFILE
Jonathan Brown

Jonathan Brown

Litigation Support 2026

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Ranked in 1 practice area

About

Provided by Alvarez & Marsal

Practice Areas

Jonathan Brown is a forensic accountant and a Managing Director with Alvarez & Marsal Disputes and Investigations in London. He has over 25 years of experience advising boards, senior executives, and legal counsel on high-stakes matters across more than 50 countries, spanning investigations, disputes, and regulatory matters. Mr. Brown has additional experience undertaking forensic due diligence in transactions and a particular depth in the sports sector.

With a UK regulatory background, his investigation work focuses on allegations of fraud, corruption, and financial misconduct and frequently involves parallel UK and US enforcement. As a professional qualified by the Joint Insolvency Examination Board (JIEB), Mr. Brown brings experience in stressed and failed businesses, including matters involving insolvency, asset recovery, and misfeasance. He has acted as an expert and shadow expert in disputes involving accounting irregularities and the conduct of senior management and directors.

Mr. Brown has significant experience in the sports sector, particularly in relation to the application and enforcement of financial regulations. His work has included conducting ethics investigations, forensic reviews, and governance assessments for multiple international sporting federations. He has given expert evidence before the Court of Arbitration for Sport (CAS) and in proceedings relating to the Premier League’s Profit and Sustainability Rules (PSR).

He frequently advises investors, leagues, clubs, and governing bodies on acquisitions, investments in sports infrastructure, and counterparty risk, particularly where financial, regulatory, governance and integrity considerations are critical to investment decisions.

Immediately prior to joining A&M, Mr. Brown was a Senior Managing Director with Ankura in London, where his roles included co-leading the Global Investigations & Forensic Accounting and Global Sports Advisory practices. He previously led the EMEA Investigations and Forensic Technology teams at Control Risks and spent a decade in EY’s Forensic practice in London. His career began in UK regulatory enforcement with the Insolvency Service and Serious Fraud Office.

Mr. Brown is a Fellow of the Association of Chartered Certified Accountants (ACCA). He is a panel arbitrator at Sport Resolutions, a Director of the British Association for Sport and Law and serves on the Executive Board Risk Committee of World Athletics. Mr. Brown is a member of the Audit Committee for the International Table Tennis Federation.

Professional Memberships

Association of Chartered Certified Accountants - Fellow

Joint Insolvency Examinations Board - Insolvency Practitioner (non-licensed)

Chambers Review

Provided by Chambers

Professional Advisers: Litigation Support

Business Intelligence & Investigations - UK-wide

Band 4
Band 4

Individual Editorial

Jonathan Brown has over twenty-five years' experience in fraud and regulatory risk, including roles at UK enforcement agencies and a Big Four firm. He recently joined Alvarez & Marsal.

Strengths

Provided by Chambers

  • Jonathan is very impressive. He has a good grip on sports regulatory work.

    Business Intelligence & InvestigationsProfessional Advisers: Litigation Support
  • Jonathan and his team are a pleasure to work with.

    Business Intelligence & InvestigationsProfessional Advisers: Litigation Support

Ranked Individuals at Alvarez & Marsal (15)

Asia-Pacific Region

Europe-wide

Latin America-wide

UK-wide

USA - Nationwide

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