Photo of Gary Stirbis
Gary Stirbis
National Tax — Controversy & Dispute Resolution

Industry Expertise


Gary is a director of the firm’s Tax Controversy & Dispute Resolution Practice. He manages major IRS engagements for clients and handles all aspects of representation before the IRS, including audits, appeals, collections, excise taxes, private letter rulings, and various procedural matters.

Gary previously worked for the Office of Chief Counsel for the Internal Revenue Service, providing advice to IRS field agents and the Office of Appeals on all matters pertaining to the interpretation, administration, and enforcement of Internal Revenue laws. He further represented the IRS in the United States Tax Court and provided other legal support needed by IRS personnel.

Selected Speaking Engagements

  • The Trust Fund Recovery Penalty: A Thorough Analysis of the 4180 Interview
    (University of San Diego School of Law – RJS Law Tax Controversy Institute, October 2016)
  • 2016 Insights into the Presidential Candidates’ Proposed Tax Plans
    (Moss Adams presentation, October 2016)
  • Anatomy of an IRS Audit
    (AICPA Not-for-Profit Industry Conference, June 2016)
  • IRS Update – IRS War Stories and More
    (AGC/CFMA Conference, November 2015)
  • Tax Controversy: Handling Audits, Appeals, Litigation, and Collections
    (The Knowledge Group Webcast, February 2015)

Professional Affiliations

  • Member, United States Tax Court
  • Member, Washington State Bar Association


  • BA, New Mexico State University
  • JD, Seattle University School of Law
  • LLM, taxation, University of Washington School of Law