Robert M. McCallum

Practice Areas:

Civil Tax Controversy
Criminal Tax Defense
IRS Offshore Voluntary Disclosure Program
Zapper/Suppression Software Cases

Call: 206.357.5086
Fax: 206.223.1099
Cell: 206.601.1127

Legal Assistant: Julie P. Bonwell

Rob McCallum’s practice emphasizes the resolution of civil and criminal tax matters before the Internal Revenue Service and the Washington State Department of Revenue. He also represents clients in other federal and state criminal matters.

Prior to entering private practice, Mr. McCallum was a federal prosecutor with the Criminal Tax Section of the United States Department of Justice and an Attorney-Advisor with the United States Tax Court in Washington, D.C. While at the Department of Justice, he represented the Internal Revenue Service in grand jury investigations and criminal trials in federal district court.

Mr. McCallum is an adjunct professor at Seattle University School of Law and Golden Gate University’s Graduate Tax Program in Seattle, where he teaches several courses, including tax practice and procedure. He has received the Outstanding Faculty Member Award and Distinguished Teaching Award from Golden Gate University.

He and his wife, Diane, enjoy outdoor activities, traveling and being involved in community issues.


  • Georgetown University Law Center, LL.M. in Taxation, 1980
  • California Western School of Law, J.D., 1978
  • Middlebury College, B.A. Political Science, 1974


  • Seattle Magazine: Best Lawyers, Tax Law
  • Super Lawyers (Top 100)
  • Martindale-Hubbell: AV Rating
  • The Best Lawyers in America
  • Best Lawyers, Lawyer of the Year 2014, Tax Law, Seattle
  • Distinguished Teaching Awards, Golden Gate University,
    Graduate Tax Program
  • Outstanding Faculty Member Award, Golden Gate University,
    Graduate Tax Program
  • 2019 Stouder Award, which is presented on occasion by the WSBA Tax Section to exemplary tax practitioners in recognition of their dedication to the tax community, exceptional skills in the field of taxation, and display of professionalism.

Presentation & Publications

  • Mr. McCallum is a frequent lecturer on tax controversy matters for continuing professional education programs, including Washington State Bar Association, Washington Society of Certified Public Accountants, Seattle Attorney-CPA Tax Clinic, Washington Accounting Seminars and Internal Revenue Service
    • October 25-27, 2010 – Speaker, Northwest Tax Institute, WSCPA, 2010 Northwest Tax Institute, Foreign Bank Reporting
    • May 5, 2010 – Speaker, WSCPA, 2010 International Tax Conference with Darek Jarski, Reporting Requirements for FBARs and Other Information Returns
    • October 25, 2009 – Speaker, Northwest Tax Institute, Business as Usual with the IRS… Not Anymore
    • May 5, 2008 – Speaker, WSBA, 2008 Business Law Midyear, Representing the Nonfiler
    • October 31, 2006 – Speaker: Northwest Tax Institute, Nuts & Bolts of Circular 230 – What You Need To Know
    • Summer 2006 – Adjunct Professor: Federal Tax Procedure, Golden Gate University (Seattle, Washington), Taxation 319 (Section SE1)
    • Co-author: “Steps to Reduce Tax and Penalties on Nonfilers,” Taxation for Accountants, Vol. 49, No. 6, 1992. Republished: The Monthly Digest of Tax Articles, Vol 43, No. 10, July 1993.
    • Co-author: “Representing the Nonfiler Requires a Multi-Functional Approach,” IRS Practice Alert, Vol. 6, No. 8 (Dec. 1992, Warren Gorham & Lamont)
    • Contributing Author: “Effectively Representing Your Client Before the ‘New’ IRS,” a project of the American Bar Association, Section of Taxation, Low Income Taxpayer Committee (ABA 2000)


  • Washington State Bar Association, Taxation Law Section (President, 1999-2000)
  • Western Region Bar Association, Internal Revenue Service Liaison Committee
  • American Bar Association, Section of Taxation

Bar Admissions

  • Washington
  • Minnesota
  • Supreme Court of the United States
  • United States Court of Appeals for the Ninth Circuit
  • United States Tax Court
  • United States District Court for the Eastern District of Washington
  • United States District Court for the Western District of Washington