Katharyn Thompson

Katharyn Thompson


Managing Director

+1 (971) 245 1065

Leave a messagearrowCreated with Sketch.

In 30 years as a forensic accountant, Katharyn Thompson has dedicated herself to becoming an expert in a variety of businesses and products, helping her understand the context, economics and industries in which her clients work.

Focusing on the quantification of economic damages for insurance companies and law firms, Katharyn has analyzed innumerable complex and multi-million dollar cases and claims.

Katharyn focuses on claims and cases involving business interruption and loss of profits, stock losses, product liability and recall, fraud and fidelity claims and personal injury and wrongful death.

She has worked throughout the U.S. and abroad with claims professionals and attorneys to quantify losses across industries as diverse as hospitality, forestry, energy (including renewable, hydro and solar), shipping and distribution, multifamily residential, retail and manufacturing.

Born with an investigator’s keen sense of fairness and truth, Katharyn is a graduate of the FBI Citizen’s Academy and member of the FBI Citizens Academy Alumni Association (FBICAAA). She has been on the educational committee for the Property & Liability Resource Bureau (PLRB) and has served as president of WISE (Women in Sound Equities), a local investment and education organization for women. Katharyn is based on Portland, Oregon.

  • Appears as an expert witness providing testimony related to the quantification of economic damages in depositions, mediation, arbitrations, and at trial in federal, state and district courts, in many states on behalf of both defendants and plaintiffs
  • Certified Public Accountant, Colorado and Oregon
  • Certified in Financial Forensics
  • American Institute of Certified Public Accountants, member
  • Oregon Society of Certified Public Accountants, member
  • Association of Certified Fraud Examiners, associate member


Portland, OR


Humboldt State University (Arcata, California)
Bachelor of Science, business administration