He brings more than 19 years of forensic and investigative accounting experience, specializing in investigations of fraud, corruption (U.S. FCPA / U.K. Bribery Act) and regulatory issues, asset tracing and recovery, and litigation support and expert witness services for disputes.
Mr. Williamson has mostly been involved in large-scale global investigations, asset tracing exercises and litigation support exercises on behalf of U.S., European and Asian-owned corporations facing fraud, corruption, regulatory, asset recovery and dispute issues across a broad spectrum of industries, including oil and gas, minerals and mining, healthcare / pharmaceuticals, manufacturing, leisure, financial institutions, education, media and technology.
He has presented evidence and been cross-examined in legal proceedings relating to forensic accounting matters.
Most recently at A&M, Mr. Williamson has been investigating allegations of U.S. FCPA violations in China and the Asia-Pacific region, performing forensic accounting reviews of alleged fraudulent activity in Hong Kong and China, and acting as the U.K. high court-appointed receiver of Russian assets that are the subject of a judgment debt in favor of a Kazakh bank.
Notable assignments in Asia include: pre-acquisition financial due diligence on a proposed Chinese acquisition by a U.S. private equity firm; a U.S. FCPA investigation of a global company’s activities across Asia, including China and Singapore; serving as an expert witness on accounting matters regarding the sale of a Hong Kong hotel; and providing litigation support to the liquidators of an oil company in misfeasance proceedings against its former directors.
Additional work includes: advising and assisting a non-governmental organization with investigations of the alleged misappropriation of grant funds in Asia and Africa; and managing a team of accountants and lawyers administering and investigating the assets comprising the multi-billion dollar estate of a Hong Kong businessman involved in property development.
Before joining A&M, Mr. Williamson spent six years with AlixPartners in London, most recently serving as managing director, conducting investigations and anti-corruption compliance reviews and providing dispute services across Europe, Africa and the Middle East. He also spent 10 years with Deloitte’s forensic and dispute services team, including three years working in their Hong Kong office.
Mr. Williamson earned a bachelor’s degree in law from the University of Birmingham. He is a member of the Institute of Chartered Accountants in England and Wales and the Hong Kong Institute of Certified Public Accountants.