Greg J. Regan
(415) 836-4034
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Greg Regan serves as the partner-in-charge of Hemming Morse’s Forensic and Financial Consulting Services Group.

Greg has testified in federal and state courts and arbitrations regarding various types of forensic analyses, including accounting investigations, economic damage analyses such as lost profit calculations, and shareholder disputes. He also regularly consults on data analysis associated with public disclosures, regulatory compliance and contractual obligations.

Greg has served in multiple leadership roles with the American Institute of Certified Public Accountants (AICPA), and in 2013 was appointed to the organization’s Forensic and Valuation Services Executive Committee. This 9-member committee establishes professional standards for practitioners performing consulting services that require the application of forensic or valuation-related methodologies. He is also an adjunct professor at Golden Gate University where he teaches forensic accounting to graduate students.


“How CPAs Can Benefit from Colin Powell’s Rule,” FVS Insider, AICPA, August 2013

“Discount Rates, Risk, and Uncertainty in Economic Damage Calculations,” AICPA Practice Aid, 2012

“Causation Scenarios for the Damages Expert,” Dunn on Damages, Winter 2011

“2010 Federal Rules of Civil Procedure Changes,”, November 2010

“Selecting the Right Investigative Resource,” Journal of Accountancy, December 2009

“Discount Rates and Lost Profits… Where’s the Risk?” CPA Expert, Summer 2009

“Discount Rates and Lost Profits: A Review of Case Law,” The Witness Chair, Winter 2009


“Attaining Reasonable Certainty in a Damages Calculation,”
Texas Society of CPAs, 2013
National Forensic & Valuation Conference, AICPA, 2012

“Emerging Financial Forensic Accounting,” National Forensic Accounting Conference, AICPA, 2011

“Review of Notable Recent Cases – Economic Damages,” National Forensic Accounting Conference, AICPA, 2011

“Forensic Accounting: Bridging the Gap between Theory and Practice,” National Conference, AAA, 2011

“Causation Scenarios and the Damages Expert,” Economic Damages and Fraud Committees, CalCPA, 2011

“Ethics and the Expert,” Forensic and Investigative Accounting Section Research Conference, AAA, 2011

“Bridging the Gap – The Road to the CFF,” Forensic and Investigative Accounting Section Research Conference, 2011

“Educating Legally Aware Accountants,” Forensic and Investigative Accounting Section Research Conference, 2011

“Revenue Recognition,” Licensing Executives Society, 2009

“Accounting for Devices with Embedded Software,” Revenue Recognition for MedTech Companies, 2009

“Recessionary Implications for CPAs,” Economic Damages Section, CalCPA, 2009


San Francisco
San Mateo


American Institute of Certified Public Accountants
Member, Forensic and Valuation Services Executive Committee
Former Chair; Member, Economic Damages Task Force
Planning Committee; Chair, National Forensic and Valuation Conference

California Society of Certified Public Accountants
Officer, State Steering Committee
Member, Economic Damages Section
Member, Leadership Identification and Development Committee

Legal Aid of San Mateo County
Treasurer, Board of Directors, Treasurer

Golden Gate University
Advisory Board, Forensic Accounting Program

American Bar Association
Member, Litigation Section
Member, International Law Section
Member, Antitrust Law Section

Junipero Serra High School
Member, Board of Regents
Chair, Finance Committee

Hillsborough Schools Foundation
Member, Board of Directors,


University of San Francisco, MBA (emphasis in Finance), 2007
Beta Gamma Sigma Honor Society

Georgetown University, B.S., Accounting, 1995
Minor in Theology