Dana M. Trexler

, Partner


Dana M. Trexler


  • Commercial Litigation
  • Expert Witness
  • Forensic Investigations
  • Intellectual Property Litigation
  • Royalty Audit & Contract Compliance
  • Insurance Claims
  • Insurance Litigation
  • Post-Acquisition Disputes


  • Certified Public Accountant (CPA)
  • Certified in Financial Forensics (CFF)
  • Bucknell University: BS, Accounting
  • The Wharton School, University of Pennsylvania: MBA


  • American Institute of Certified Public Accountants
  • Pennsylvania Institute of Certified Public Accountants
  • American Bar Association
  • Bucknell University Alumni Association of Philadelphia

Dana Trexler is a Partner in the Financial Advisory Services Group, with 20 years of experience. She provides expert witness services in intellectual property litigation and complex commercial litigation. Dana’s investigative accounting experience also includes assisting clients in post-acquisition disputes, fraud investigations, insurance claims, and in performing contract compliance examinations. Dana has consulted for clients in many sectors, including software, pharmaceutical, biotechnology, medical device, manufacturing, high technology, financial services, and the service industry.

Regarding litigation and arbitration matters, Dana’s experience includes performing the assessment of damages in intellectual property disputes, the analysis of contract-related disputes, and the preparation and analysis of business interruption and property damage claims. She has evaluated and prepared economic damages including the projection of lost profits and reasonable royalty damages, and assessed incremental costs and cost allocation issues. In addition to her testimony experience in legal matters before the court, Dana has also represented clients in Alternative Dispute Resolution proceedings and insurance claims negotiations and has significant experience in post-merger and acquisition disputes.

Prior to joining the firm, Dana was a Principal in the Forensic, Valuation and Litigation Services Practice of a regional accounting firm. Her background also includes 18 years at a Big Four firm, where she was a Director in the Forensic Services Group and assisted clients in litigation and contract compliance matters, as well as helped to establish and lead the Corporate Intelligence practice. A frequent speaker, Dana has presented a range of forensic accounting and litigation topics to various professional organizations.

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