John T.


Principal | CPA●ABV, CVA, CFF



"It is not enough to have a good mind, the main thing is to use it well."

- Rene Descartes

An expert witness

John has deep experience in providing expert witness services regarding the valuation of closely-held businesses as well as related quantitative testimony. His industry and technical expertise includes general business and taxation consultation to real estate, banking, manufacturing and telecommunication clients. He also maintains a specialty practice in the valuation of telecommunications entities ranging from local exchange carriers to internet service providers and wireless telecommunications companies.

A Principal, John is the Director of BerryDunn’s Valuation and Forensic Services Group. In this capacity, he coordinates the provision of business valuation, forensic accounting, fraud analysis, data forensic analysis and a wide range of related expert witness services. John has more than 30 years of professional experience as a consultant and expert witness and joined the firm in 1987.

Experience Highlights:

John helps clients with a variety of issues including:

• Litigation consulting
• Expert witness testimony
• Loss and damage determination
• Merger and acquisition analysis
• Deal structuring
• Buy/Sell agreements
• Strategic planning
• Fraud and forensic accounting
• Valuations for estate planning
• International and multi-state tax consultation

Memberships and Committees:

• American Institute of Certified Public Accountants
• Bentley College Advisory Council, Member