Mark J. Nigrini, Ph.D. is a professor at The College of Business & Economics at West Virginia University where he teaches graduate courses in auditing and forensic accounting. He is the author of Forensic Analytics which describes tests to detect fraud, errors, estimates, and biases in financial data. He is also the author of Benford's Law (2012). Benford’s Law gives the expected patterns of the digits in tabulated data and it has been used by auditors and scientists to detect anomalies in tabulated data. His academic papers have been published in several accounting journals. His applied papers have been published in journals such as Mathematical Geology, and The International Journal of Mathematics and Mathematical Sciences. Practitioner papers have been published in journals such as Internal Auditor and the Journal of Accountancy. His forensic work has been featured in national media including The Financial Times, New York Times, and The Wall Street Journal. His radio interviews have included the BBC in London, and NPR in the United States. His television interviews have included appearances on NBC's Extra and The Investigative Discovery Channel. He regularly presents professional workshops for accountants and auditors in North America, Europe, and Asia with recent events in Malaysia, Switzerland, and Bahrain. His research focus is on advanced theoretical work on Benford’s Law, and occupational fraud and the legal process surrounding fraud convictions.

Nigrini has a B.Com (Hons) degree from the University of Cape Town, an MBA degree from the University of Stellenbosch, and a Ph.D. degree from the University of Cincinnati. In addition to his academic credentials he is a Chartered Accountant (South Africa) and his early accounting career included time with Peat, Marwick, Mitchell & Co. (now KPMG) and as a divisional accountant. He has been called on as an expert witness in forensic accounting matters and he has done consulting engagements for organizations such as Procter & Gamble, Burger King, Eaton Corporation, American Airlines, AvalonBay Communities, CaseWare IDEA, and the New York State Comptroller’s Office.>