Jonathan Welbel

Baker & McKenzie LLP


Jonathan Welbel has approximately 9 years of experience in tax controversy. Prior to joining Baker McKenzie, Jonathan served as the attorney-advisor for the Honorable Harry A. Haines of the United States Tax Court. Additionally, he worked for several years in the tax department of another international law firm, where he represented clients in all stages of tax controversy. Jonathan primarily concentrates on transfer pricing issues and international tax controversies.

Jonathan is a certified public accountant.  He is also an adjunct professor in the Northwestern University School of Law’s LLM in Taxation Program. Jonathan teaches the transfer pricing class, which is available to both LLM and JD students.

Practice Focus

Jonathan regularly advises multinational corporations on transfer pricing and other international tax issues. His practice focuses on Federal tax controversy, where he has successfully helped clients navigate the audits, appeals, and litigation process. Jonathan has extensive experience working with tax court practice and procedure.

Professional Associations and Memberships

  • Federal Bar Association’s Section on Taxation, Chicago Branch - Chair
  • Illinois State Bar Association - Member


  • U.S. Tax Court~United States (2012)
  • Illinois~United States (2007)


  • Northwestern University School of Law (LLM Taxation, with Honors) (2008)
  • Case Western Reserve University (JD, cum laude) (2007)
  • University of Illinois at Urbana-Champaign (BA Accountancy) (2003)


  • English


Editor, "Handling Federal Tax Controversies in the United States," Baker McKenzie LLP, 2016

Author, "A Web of Confusion - the IRS Issues New Guidance on Section 199 and Online Software," Baker McKenzie LLP North American Tax Practice Group Newsletter, August 2017


Speaker, "Transfer Pricing Framework for Intangibles: US and OECD Views," Baker McKenzie LLP Global Transfer Pricing Workshop, San Francisco, California, July 2017

Speaker, "Transfer Pricing Under Section 482," Bloomberg BNA, Las Vegas, Nevada February 2015, 2016, and 2017

Speaker, "Domestic Production Activities Deduction," Bloomberg BNA, Chicago, Illinois, December 2015 and 2016