Darrell D. Dorrell is a founding partner of financialforensics®, a boutique forensic accounting practice in Lake Oswego, OR. He practices in civil and criminal matters throughout the US and has served as an expert witness/consultant in 500+/- matters; additional assignments exceed 1,000+/-. They include alter ego, anti-trust, bankruptcy, breach of contract, conspiracy to defraud, conspiracy to commit money laundering, estate/gift taxes, family law, financial forensics, forensic accounting, fraud, fraudulent conveyance/transfer intellectual property, lost profits, money laundering, patent, solvency/insolvency, trademark, trade dress, and trade secrets, among others.

A nationally recognized speaker and author, Darrell has delivered more than 100 training sessions on forensic accounting-related topics during the last 5 years. His deliveries span 26 states (including 15 state CPA societies), Puerto Rico and Canada. He has provided training to the Federal Bureau of Investigation (FBI), United States Department of Justice (USDOJ), Securities and Exchange Commission (SEC), American Bar Association, Bankruptcy Bar Association, Oregon Bar Association, Washington Bar Association, American Society of Appraisers (ASA), American Institute of Certified Public Accountants (AICPA), National Association of Certified Valuation Analysts (NACVA), National Association of State Boards of Accountancy (NASBA), Association of Certified Fraud Examiners, Association of Insolvency & Restructuring Advisors, Institute of Management Accountants, International Law Enforcement Auditors Association, SEAK, CPAA International, Inc., AGN, Inc., and Turnaround Management Association.

Darrell has published more than 75 articles in the American Journal of Family Law, Business Appraisal Practice, CPA Journal, Financial Valuation and Litigation Expert, Sarbanes-Oxley Compliance Journal, Litigation Counselor, National Litigation Consultants Review, Valuation Examiner, RIA’s Valuation Strategies, and the United States Attorneys’ Bulletin. Additionally, he has been cited in Bloomberg Wealth Manager, Business Week, IR Magazine, the Portland Oregonian, the Practical Accountant, “Drunkard’s Walk: How Randomness Rules Our Lives,” a New York Times best-seller, “The Grapes of Math,” by a U.K. based author, “The Forensic Accounting Deskbook” published by the ABA, and authored the forensic accounting chapter in “Valuation for Dummies.” Also he has been featured on National Public Radio (NPR) WYNC “RadioLab,” the “Small Business Television” network, the “First Business News Network Television” and forensicweek.com on YouTube.

His financial forensics, forensic accounting, investigative, litigation, valuation, fraud, and related expertise is extensive. Most significantly, he developed the Forensic Accounting/Investigation Methodology© (FA/IM©), and he co-authored for the United States Department of Justice (USDOJ) the March 2005, Vol. 53 No. 2 issue, i.e. Financial Forensics I - Counterterrorism: Conventional Tools for Unconventional Warfare, and the May 2005 Vol. 53 No. 3 issue Financial Forensics II - Forensic Accounting: Counterterrorism Tactical Weaponry. The March 2012, Vol. 60 No.2 issue, i.e. Financial Intelligence: People and Money Techniques to Prosecute Fraud, Corruption, and Earnings Manipulation was released in 2012. All three issues are available via the public site. His book, "Financial Forensics Body of Knowledge" co-authored with Gregory A. Gadawski, was released in 2012 by John Wiley & Sons, Inc.