David M. Duffus

David M. Duffus

Partner, CPA/ABV/CFF, CFE · +1 (412) 697 6404

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Dave has over 25 years of experience in complex litigation and disputes, applying forensic accounting techniques in damage analyses and valuations. David also provides services related to fraud and forensic investigations. David regularly works with organizations in manufacturing, financial services, insurance, healthcare, higher education, real estate, and construction.

Dave works extensively with counsel through all phases of the litigation process, from discovery through expert testimony.   

Dave serves as an expert witness and provides deposition testimony in state and federal court and in alternative dispute settings. He has testified over 50 times, including more than 25 times at trial.

Prior to joining Baker Tilly, he led his own business and worked in the dispute analysis and investigations practice at PricewaterhouseCoopers LLP.

In the News

  • Performed lost profit analysis and provided expert witness testimony at trial for a large manufacturer of rail cars in connection with a matter dealing with alleged contract breaches, theft of trade secrets and offshore supply chain issues
  • Performed forensic analysis surrounding more than $300 million in debt accumulated on the Harrisburg Resource Recovery Facility, to help constituencies understand root causes
  • Provided expert witness testimony at trial on behalf of a majority shareholder in connection with a shareholder dispute surrounding the value of a home health services company
  • American Institute of Certified Public Accountants (AICPA): Economic Damages Task Force (Chair), Forensic and Litigation Services (FLS) Committee, Certified in Financial Forensics (CFF) Champion Program
  • Association of Certified Fraud Examiners
  • Turnaround Management Association Pittsburgh Chapter Board of Directors




University of Pittsburgh
Bachelor of Arts
Master of Business Administration