About Derek W. Kaczmarek

Derek W. Kaczmarek is partner and co-founder of Kaczmarek & Jojola, a tax litigation firm. His practice includes tax litigation, tax audits, and tax collection. As a tax controversy attorney, he represents individuals, businesses, trusts and estates against the I.R.S. and state/local taxing authorities.

The Tax Section of the State Bar of Arizona elected Mr. Kaczmarek as the chair in 2018. The State Bar of Arizona’s Board of Legal Specialization also recognizes Mr. Kaczmarek as a certified tax law specialist. Mr. Kaczmarek also serves on the State Bar’s Board of Legal Certification.

Mr. Kaczmarek began his tax controversy career as a trial attorney with the I.R.S. in Las Vegas, Nevada in 2005. He ended his government service in 2012 as a senior trial attorney with the I.R.S. in Phoenix, Arizona. During that time, he represented the I.R.S. in hundreds of cases before the United States Tax Court. He served as lead counsel in more than forty U.S. Tax Court trials. He also advised I.R.S. revenue agents and revenue officers in issues ranging from development of criminal cases, seizure of property (including personal residences), conducting a tax fraud audit, innocent spouse cases and international tax issues.

Mr. Kaczmarek discretely and aggressively represents his clients, effectively using his experience as a former government attorney as well as his understanding of IRS and U.S. Tax Court practices and procedures.

Awards

• Super Lawyers: Top Rated Tax Lawyer

• Best Lawyers in America

• Martindale-Hubbell, AV Peer Rating

• State Bar of Arizona, Certified Specialist – Tax Law

• I.R.S. Office of Chief Counsel, Cube Award (litigation of national significance)

• I.R.S. Office of Chief Counsel, SB/SE, Litigation Award

Leadership

• State Bar of Arizona, Tax Section, elected Chairman, 2018 – 2019

• State Bar of Arizona, Tax Section, elected Chair-Elect, 2017 – 2018

• State Bar of Arizona, Tax Section, elected Vice-Chair, 2016 – 2017

• State Bar of Arizona, Tax Section, elected Chief Budget Officer, 2015 – 2016

• State Bar of Arizona, Tax Section, elected Secretary, 2014 – 2015

• State Bar of Arizona, Tax Section, elected Member-at-Large, 2012 – 2014

• Western States Bar Association, Arizona Representative, 2013 – present

• Scottsdale Bar Association, elected member Board of Directors, 2013 – 2014

 

Awards

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Taxation
Posted by anonymous
February 20, 2014
Hired Attorney Derek W. Kaczmarek

Derek is one of the best lawyers I have ever had the pleasure to work with. My bank account was being levied and I had a tax debt going going back to 1999 and 2000 in excess of 170K and was in desperate need of help. I emailed Derek files pertinent to my case and when I arrived at the initial consultation (even before I had agreed to his services) he had reviewed those files and had came up with strategies on how to handle the situation. He is a former IRS trial attorney and has total knowledge

 
Taxation
Posted by anonymous
March 18, 2013
Hired Attorney Derek W. Kaczmarek

I was facing an extreme tax issue in federal tax court. Mr. Kaczmarek offered to represent me. He offered professional, experienced, quality, assistance to me and my husband. It focused on his amazing ability to understand tax law and apply his knowledge to resolve the issues. He was able to negotiate with the opposing counsel and avoid the trial. His awesome personality was an unbelievable plus. I highly recommend him to anyone facing a tax issue, don't go it alone. Hire his amazing man!!!!

 

Services

Areas of Law

  • Other 9
    • Employment Tax
    • Tax Collections
    • I.R.S. Audit
    • Trust Fund Recovery Penalty
    • Innocent Spouse Relief
    • Tax Litigation
    • Captive Insurance
    • Monetized Installment Sale Transactions
    • Yacht Chartering

Practice Details

  • Firm Information
    Position
    Partner
    Firm Name
    Kaczmarek & Jojola PLLC
  • Representative Cases & Transactions
    Cases
    Published Cases: Caylor L
    & Development, Inc. v. Commissioner, T.C. Memo. 2021-30
    Vickrey v. U.S., 484 F.Supp. 3d 884 (S.D. CA, 2020)
    Purvis v. Commissioner, T.C. Memo 2020-13
    Estate of Moore v. Commissioner, T.C. Memo. 2020-40
    Babu v. Commissioner, T.C. Memo. 2020-121
    Bruner v. Commissioner, T.C. Memo. 2018-10
    Slone v. Commissioner, T.C. Memo. 2016-115
    Jones v. Commissioner, 146 T.C. 39 (2016)
    Kline v. Commissioner, T.C. Memo. 2015-144
    Estate of Giovacchini v. Commissioner, T.C. Memo. 2013-27
    Evenchik v. Commissioner, T.C. Memo. 2013-34
    Geyer v. Commissioner, T.C. Summary Opinion 2013-90
    Bell v. Commissioner, T.C. Memo. 2011-152
    Ellington v. Commissioner, T.C. Memo. 2011-193
    Dominguez v. Commissioner, T.C. Memo. 2011-281
    Fairlamb v. Commissioner, T.C. Memo. 2010-22
    Ernle v. Commissioner, T.C. Memo. 2010-237
    Abdi v. Commissioner, T.C. Summary Opinion 2010-175
    Crum v. Commissioner, T.C. Memo. 2008-216
    Rainbow Tax Service v. Commissioner, 128 T.C. 42 (2007)
    Fain v. Commissioner, 129 T.C. 89 (2007)
    Pimpleton v. Commissioner, T.C. Summary Opinion 2007-17
    Kaldi v. Commissioner, T.C. Summary Opinion 2007-45
    Ayala v. Commissioner, T.C. Summary Opinion 2007-59
    Ayala v. Commissioner, T.C. Summary Opinion 2007-60
    Steinberg v. Commissioner, T.C. Memo. 2006-217
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    2003, Indiana
    2004, Illinois
    2011, U.S. Court of Appeals, Ninth Circuit
    2011, U.S. Court of Appeals, Seventh Circuit
    2012, Nevada
    2003, U.S. Tax Court and U.S. District Court, Southern District of Indiana
    2011, Arizona
  • Education & Certifications
    Law School
    Indiana University School of Law, Bloomington
    Class of 2003
    J.D.
    cum laude

    New York University School of Law
    Class of 2005
    LL.M.
    Taxation
    Legal Certifications
    Certified Specialist in Tax Law Arizona Board of Legal Specialization
  • Personal Details & History
    Age
    Born in 1974
    Chicago, Illinois, December 4, 1974
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Attorneys FAQs

  • Is this attorney admitted to the bar in more than one state?
    Yes, Derek W. Kaczmarek is admitted to practice in Arizona, Illinois, Indiana and Nevada.
  • Is this attorney admitted to practice in any U.S. Federal Courts?
    Derek W. Kaczmarek is admitted to practice before the United States Court of Appeals for the Ninth Circuit and United States Court of Appeals for the Seventh Circuit.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, Derek W. Kaczmarek has a 4.9 Peer Rating from Martindale-Hubbell.
  • Is this attorney Martindale-Hubbell Client Review rated?
    Yes, Derek W. Kaczmarek has a 5.0 Client Rating from Martindale-Hubbell.
  • Does this attorney maintain a practice in more than one location?
    Yes, Derek W. Kaczmarek has a presence in Las Vegas, NV.