Barry J. Epstein, PhD, CPA, is a partner with Chicago-based Russell Novak & Company, LLP, where he specializes in technical consultation on accounting and auditing matters and corporate governance, and maintains a national practice as a consulting and testifying expert for commercial and other litigation matters, including accountants' malpractice, contractual dispute resolution, damages modeling, and white-collar criminal defense. He has previously served in senior technical and litigation consulting positions with several regional and national CPA firms, and as a corporate finance executive and college professor. Dr. Epstein has authored or coauthored six books (including Wiley IFRS Interpretation and Application), hundreds of professional education courses, several articles in business or professional journals, and a weekly business column for an international newspaper. He has served on several state and national technical committees, including the AICPA's Board of Examiners, served as chair of the Illinois CPA Society's senior accounting technical committee, and held teaching positions at several universities. Dr. Epstein received his doctorate from the University of Pittsburgh, and also holds degrees from DePaul University and the University of Chicago,. he is a member of the Illinois CPA Society, the AICPA, and the American Accounting Association.