Dr. Barry J. Epstein

Dr. Barry J. Epstein

Dr. Barry J. Epstein

Principal at Epstein + Nach LLC
Former Lead Author of the GAAP and
IFRS Guides worldwide

Barry Jay Epstein, Ph.D., CPA, CFF, is a Chicago-based forensic accountant, financial reporting expert, author, and litigation consultant with decades of experience as an accountant, auditor, educator, writer and financial executive. He is the author of many books and articles on GAAP, IFRS, and forensic accounting topics.

Dr. Epstein concentrates his forensic accounting practice in:

  • Accountant malpractice
  • Auditor liability
  • White collar defense
  • Financial reporting fraud
  • Securities litigation
  • Generally Accepted Accounting Principles (GAAP)
  • Generally Accepted Auditing Standards (GAAS)
  • International Financial Reporting Standards (IFRS)
  • international accounting convergence (GAAP and IFRS)
  • Sarbanes-Oxley corporate governance matters.

He has served as a consulting or testifying expert for plaintiff and defense attorneys on more than 140 cases, and has testified at depositions and trials almost 100 times.

Publications (Partial Listing)

Dr. Epstein was the author of The Handbook of Accounting and Auditing (RIA, Thomson Reuters) from 1988 to 2013. This widely used 3,000 page reference provided encyclopedic guidance on accounting and auditing issues. The guide also provided accounting and auditing coverage for key industries, including financial services, construction, healthcare, not-for-profit, and media/entertainment.

He served as the lead author of 26 annual editions of Wiley GAAP (1985 through 2010), 14 annual editions of Wiley IFRS (1997 through 2010), and several other works on U.S. GAAP and international accounting standards, all published by John Wiley & Sons.

Dr. Epstein has also written or contributed to scores of articles on professional malpractice and other finance, accounting, and auditing topics that have been published in legal and accounting journals.

As an experienced author, Dr. Epstein distinguishes himself with the depth and clarity of Rule 26 or equivalent reports that clearly describe compliance with or departures from relevant accounting, auditing, and financial reporting standards for attorneys, judges, and jury members.


Dr. Epstein is an accomplished educator who has taught at the university level. Over the course of his career he has held teaching positions at Northwestern University, DePaul University, Columbia College Chicago, University of Pittsburgh, and West Liberty University.

He holds a Ph.D. in Information Systems, Statistical Decision Theory, and Finance from the University of Pittsburgh, an M.B.A in Accounting, Economics and Behavioral Sciences from the University of Chicago, and a B.S.C. in Accounting and Finance with high honors from DePaul University.

About Epstein + Nach LLC

Epstein + Nach LLC is an international financial reporting consulting firm concentrating in forensic accounting, litigation consulting and expert testimony, technical consultations, engagement quality control review (EQCR), internal inspections, and training for accountants and auditors.

The Chicago-based international consulting firm provides forensic accounting expertise and services in the areas of financial reporting fraud, white collar defense, auditor liability, securities litigation, and the interpretation of domestic and international accounting, auditing, and financial reporting standards.

About Cendrowski Corporate Advisors

Cendrowski Corporate Advisors (CCA) is a full-service financial consulting and litigation support firm with offices in Chicago, IL and Bloomfield Hills, MI. They specialize in providing highly personal services to clients in the legal, private equity, banking, corporate, and nonprofit industries. These services include business valuations, economic damages analyses, expert witness testimony, back and middle office operations, fraud investigation, BSA Look Back Reviews, deterrence engagements, and forensic accounting services.

CCA’s team members strive to provide practical solutions to complex issues. Each senior team member has years of hands-on operational experience in addition to in-depth financial and accounting knowledge. This unique combination of expertise helps ensure CCA’s conclusions and recommendations are both practical and backed by rigorous, comprehensive analyses.

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