Partner – Accounting Advisory

Bjorn brings more than 35 years of forensic accounting experience to WilliamsMarston.

Bjorn has directed and conducted many investigations for public and private companies and led numerous independent and internal investigations on behalf of boards, Special Committees, and Audit Committees. Bjorn has assisted attorneys and their clients in over 300 disputes as a consultant, testifying expert, or third-party neutral. He has extensive experience testifying as an expert in federal and state courts, arbitrations, and before the ICC International Court of Arbitration.

Prior to WilliamsMarston, Bjorn held various leadership roles such as Americas Leader of EY LLP’s Disputes practice and West Region Leader of EY’s Forensics practice. During his career, Bjorn’s clients included both public and private companies in a broad spectrum of industries, including financial services, healthcare, internet, life sciences, manufacturing, media & entertainment, professional services, real estate, securities, and technology.
Bjorn is a Certified Public Accountant in California, accredited in Business Valuation (ABV) and certified in Financial Forensics (CFF) by the AICPA, Certified Fraud Examiner (CFE), and holds a Bachelor of Arts degree in Economics from Claremont McKenna College.