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Specialties & Experience of this Expert Witness

General Specialties:

Economics and Accounting

Keywords/Search Terms:

Economic damages, lost profits, securities fraud, lost business value, theft of trade secrets, breach of contract, damages, product mislabeling damages, business valuation


PhD, University of Chicago; MBA, University of Chicago; BSBA, Roosevelt University; CPA, State of Illinois

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Don May is Managing Partner at DMA Economics LLC and possesses over 35 years’ experience in consulting, valuation and litigation support as well as researching, publishing and teaching at the university level. His experience includes implementing a broad range of damage analyses and valuations for businesses of various sizes and in numerous industries. Prior to founding DMA Economics, Dr. May was Managing Director at Berkley Research Group and the Principal in charge of valuation and litigation support services for a regional accounting firm, a Managing Director for PricewaterhouseCoopers and a professor at the Massachusetts Institute of Technology - Sloan School of Management. Dr. May has prepared expert reports and testified in federal and state courts as well as AAA, JAMS, and FINRA arbitration hearings and has effectively communicated as an expert witness testifier and consultant in several multi-million dollar cases. Some examples of recent matters Dr. May has been asked to evaluate, analyze and/or opine on include the valuation of damages related to: • Lost profits and enterprise value associated with product defects and breach of contract • Theft of trade secrets, trade dress and other intellectual property • Hedge fund valuation and hedge fund interest valuation • Leveraged buyout (“LBO”) financing practices • Damages from accounting misstatements related to private and public acquisitions • Securities fraud under SEC Section 10b-5 and Section 11 • Merger and Acquisition disputes Dr. May has also performed valuations of over 200 closely held businesses and interests in those across numerous industries for financial reporting and estate planning.