Disputes & Investigations | Expert Witness | John Williams
John Williams
Managing Director
Disputes & Investigations | Expert Witness | John Williams
Quick facts
Leader of A&M’s Western Canada practice
26+ years of experience in forensic accounting, damages and valuations
Has served as an expert witness, arbitrator and advisor on numerous matters
Contact info
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+1 403 538 7534
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John Williams is a Managing Director with Alvarez & Marsal's Disputes and Investigations practice, and leads its Canadian practice.

Mr. Williams brings over 26 years of specialized expertise in damages assessments, valuations and expert testimony and forensic accounting.

He has a broad range of experience calculating lost profits and quantifying economic losses and with regulatory matters, corporate investigations and the quantification of insurance claims. Mr. Williams has been qualified in the Federal Court of Canada, the Alberta Court of Queen's Bench, the Quebec Superior Court, the Manitoba Court of Queen's Bench and the Circuit Court of the Ninth Judicial Circuit Orange County, Florida as an expert witness in damage quantification and valuation issues and as a forensic accountant. Mr. Williams has also testified in front of the Alberta Utilities Commission on cost of service issues, for a disciplinary matter before the Institute of Chartered Accountants of Alberta, and in various arbitration proceedings.

Mr. Williams has been involved as an expert witness, arbitrator and advisor in matters regarding business interruption and property claims, breaches of contract, tort claims, intellectual property disputes, arbitrations, mediations, post-acquisition disputes and regulatory filings. His experience spans a wide variety of industries including, but not limited to, aviation, oil and gas, energy, manufacturing, insurance, telecom, gaming, real estate and transportation.

Mr. Williams is a Chartered Professional Accountant, Chartered Business Valuator and has been recognized as a specialist in Forensic and Investigative accounting by the Chartered Professional Accountants Canada. He is a member of Chartered Professional Accountants Canada, Chartered Professional Accountants Alberta, the Ordre des Comptables Professionnels Agréés du Québec and the Canadian Institute of Chartered Business Valuators.

Note: Alvarez & Marsal employs CPAs, but is not a CPA firm. ​