Harrison LLP

Jonathan E. Strouse


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T 312.753.6175
C 312.953.3560
Chicago, IL
Jonathan E. Strouse

Jonathan Strouse concentrates on representing clients involved in litigation, federal tax litigation, and federal tax controversies, including audits and appeals.

Jonathan has represented numerous taxpayers across diverse boundaries, including trusts, estates, federally recognized Indian tribes and tribal members, municipal governments, foreign taxpayers, hedge funds, high-net-worth individuals, qualified ERISA plans (including leveraged and non-leveraged ESOPs), accountants, tax-exempt entities, TEFRA partnerships, individuals involved in Derivium transactions, and S and C corporations (publicly traded and privately held corporations). 

Jonathan has extensive experience litigating cases on behalf of taxpayers in the U.S. Tax Court, as well as the U.S. District Court. A list of his more recent cases can be viewed by clicking here. 

He has also represented hundreds of taxpayers before the Internal Revenue Service on a wide variety of collection, examination, and appeal matters, including listed transactions and other tax avoidance matters, foreign tax issues, “wealth squad” examinations, “Midco” and section 6901 transactions, valuation issues, domestic and foreign offshore voluntary disclosures including streamlined filings, FBAR issues, the trading safe harbor pursuant to Section 864(b), information reporting issues, penalty matters pursuant to Sections 6662 and 6707A, mediation proceedings pursuant to Rev. Proc. 2009-44, transfer tax issues, and various other trust, estate, corporate, partnership, individual, employment, and excise tax matters. 

Before entering law school, Jonathan practiced as a certified public accountant in public accounting for five years. He regularly counsels other attorneys, certified public accountants, and enrolled agents throughout the United States and foreign countries regarding their representation of taxpayers before the Internal Revenue Service.

Moderator – Hot Topics Regarding Contingency Fees in Tax Matters, ABA Section of Taxation, San Francisco, CA, January 19, 2024

Panelist – Refresher for Tribes on Federal Tax Examinations of Information Returns and Practice Tips on How to Zealously Defend Them – National Intertribal Tax Alliance, Harrah’s Resort, Southern California, November 8, 2023

Co-Presenter – Hot Topics in International Tax Compliance, Illinois CPA Society – IRS Tax Practitioner Symposium, November 8, 2023

Click here for full list.



U.S. Supreme Court 

U.S. District Court, Northern District of Illinois (Trial Bar) 

U.S. Tax Court 

U.S. Court of Federal Claims 

U.S. Court of Appeals, Seventh Circuit 

U.S. Court of Appeals, Ninth Circuit 

U.S. Court of Appeals, Federal Circuit 

U.S. District Court, Eastern District of Wisconsin 

U.S. District Court, Western District of Wisconsin 

U.S. District Court, Central District of Illinois 

U.S. District Court, Southern District of Illinois

University of Wisconsin Law School, J.D.,cum laude

University of Wisconsin, BBA, with distinction

ABA Tax Section – Individual and Family Taxation Committee 

Illinois CPA Society, Tax Practice and Procedures Committee 

American College of Tax Counsel (ACTC) 

Beta Alpha Psi, Honorary Accounting Fraternity

AV Preeminent®, Martindale-Hubbell Peer Review Rating  

Leading Lawyers Network (2014-2022) 

Illinois Super Lawyers (2009, 2013-2024) 

Illinois CPA Society, Distinguished Service Award, 2020

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