D. Paul Regan
(415) 836-4047
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Firm Chairman Paul Regan has been a certified public accountant for more than 45 years. His work in the accounting profession includes extensive experience as an auditor and as a consultant.

As an auditor, Paul has served as engagement partner, supervised and participated in more than 100 audits of public and private companies. As an accounting expert, he has testified in more than 125 trials and arbitrations and more than 225 depositions, and he has worked on more than 750 complex litigation matters. Many of these have required an extensive analysis and determination of GAAP, Auditing Standards and SEC accounting requirements, including those involving financial statement fraud. Paul’s cases have also involved construction claims, intellectual property and other damages related disputes. He has performed these analyses for large and small companies in the private sector, as well as for various states and federal agencies (e.g., FDIC, Resolution Trust Corporation, the SEC and the PCAOB). These analyses have involved financial records of entities across a diverse range of industries, including companies such as Countrywide, Xerox, Parmalat, Sunbeam, Cisco, Enron and Lehman Brothers.

Paul has been actively involved on many levels with the California Society of Certified Public Accountants (CalCPA) and the American Institute of Certified Public Accountants (AICPA) throughout his career. He is a past chair of CalCPA, as well as its Litigation Services Steering Committee and Economic Damages Section. He is also a past member of AICPA’s Governing Council and Forensic and Valuation Services Executive Committee, which is the standard-setting body for the practice of forensic and valuation services.


“Introduction of Financial Forensic Accounting,” Adjunct Professor, Golden Gate University, 2009 – Present

“The Fraud Triangle – Where Were the Gatekeepers?” United States District Court, Northern District Historical Society, 2012

“Economic Damages: Common Frameworks by Industry & Claim Type,” National Forensic Accounting Conference, AICPA

“Reporting in Litigation Engagements – Wage & Hour Litigation,” Adjunct Professor, Golden Gate University, 2009


San Francisco
San Mateo


American Institute of Certified Public Accountants

California Society of Certified Public Accountants
Distinguished Service Award

Jesuit School of Theology at Berkeley
Past Member, Board of Trustees
Former Chair, Audit Committee

Catholic Charities CYO of the Archdiocese of San Francisco
Past Member, Board of Directors
Current Member, Audit and Investment Committee

Town of Hillsborough
Past Mayor
Current Member, Financial Advisory Committee
Former Council Member
Former Commissioner of Finance

Golden Gate University
Former member, Board of Trustees
Former member, Audit Committee

Solar Power, Inc.
Former member, Board of Directors
Former chair, Audit Committee


Golden Gate University, M.S., Accounting, 1979

University of San Francisco, B.S., Accounting, 1968