Michael P. Heneghan

Principal & Founder

Education & Accreditations

Michael Heneghan leads HDB, LLC with many years of training and experience to provide full service accounting and advising.

His accreditation includes:

  • Bachelor’s of Science in Accounting from Loyola University
  • Certified Public Accountant (CPA) Designation awarded in 1981
  • Juris Doctor from DePaul University, School of Law

His affiliations include:


American Institute of Certified Public Accountants (AICPA)


Illinois CPA Society (ICPAS)


Chicago Bar Association


  • Depositions and Testimony as Expert Witness
  • Assisting Counsel with Depositions
  • Assisting Counsel with Cross-Examination
  • Valuation of Closely-Held Business Interests
  • Valuation of Tax Shelters
  • Valuations of Pension & Profit Sharing Plans
  • Computation of Monthly Expenses
  • Analysis of Tax Consequences

Michael P. Heneghan, CPA, JD

Member & Owner, HDB, LLC

Leads tax and litigation consulting services.

Brian R. Wurm, CPA

Senior Tax Manager

Focuses on the firm’s tax delivery and verifies quality of tax services for client base.

Matthew A. Mauer, CPA

Audit & Quality Control Manager

Leads audit performance and verifies internal quality of attestation services.