Brian Duffy

Brian Duffy

CPA, CFF, Partner

2000 Market Street
Suite 500
Philadelphia, PA 19103
p 267.886.1108
f  215.496.9604

Brian Duffy, a partner at Friedman LLP and a member of the firm’s Forensic Accounting, Litigation Support, and Valuation Services (FLVS) Group, has more than 20 years of experience in public accounting. He works closely with attorneys in the litigation of class-action securities cases and other financial matters. 


Brian has extensive experience from working on numerous high profile matters involving entities such as WorldCom, Petrobras, Tyco, Household International and many large investment banks, including their independent auditors, as well as a number of cases brought by various state attorneys general relating to price reporting by pharmaceutical manufacturers.

Prior to his career at Friedman LLP, Brian worked as a senior auditor with a Big Four accounting firm, serving both regional and national clients in leasing, real estate and certain not-for-profit industries.

His expertise includes:

  • Consulting and research on GAAP and GAAS issues
  • Fraud examinations and white collar matters
  • Examining company documents and auditor workpapers
  • Computing economic damages
  • Preparing expert reports
  • Assisting counsel in preparation for depositions and trial
  • American Institute of Certified Public Accountants (AICPA) 
  • Pennsylvania Institute of Certified Public Accountants (PICPA) 
  • Association of Certified Fraud Examiners (ACFE)
  • Bicycle Coalition of Greater Philadelphia
  • Mid-Hudson Regional Hospital
  • Children’s Hospital of Pennsylvania (CHOP)
  • Alex’s Lemonade Stand Foundation (ALSF)
  • 2015 Philadelphia Business Journal “40 Under 40″ honoree
  • 2014-2015 PICPA Young Leader Award recipient