Photo, Joy Allison Williamson

Joy Allison Williamson

Baker & McKenzie LLP


Joy Williamson is a partner in Baker McKenzie’s Tax Practice Group. She routinely represents taxpayers at various stages of tax controversies, including audit, administrative appeals and judicial proceedings. She also has experience in domestic and international tax structuring and planning.

Practice Focus

Ms. Williamson focuses on federal tax controversies, with a significant emphasis on transfer pricing, subpart F, and other international tax issues. She regularly assists clients in the resolution of tax issues through administrative audits and appeals, competent authority processes and, if necessary, litigation.

Representative Legal Matters

  • Pilgrim's Pride Corp. v. Commissioner, 779 F.3d 311 (5th Cir. 2015) (successfully reversed Tax Court opinion regarding character of stock abandonment loss).

  • Defending technology companies from IRS transfer pricing adjustments.

  • Representing taxpayers in IRS audits and appeals related to subpart F adjustments.

Professional Associations and Memberships

  • State Bar of Texas - Member
  • Dallas Bar Association - Member


  • U.S. Tax Court~United States (2014)
  • U.S. Court of Appeals, Fifth Circuit~United States (2014)
  • Texas~United States (2013)
  • District of Columbia~United States (2012)
  • Virginia~United States (2011)


  • University of Virginia School of Law (2011)
  • Liberty University (2005)


Author, “The Scope and Application of the Work Product Doctrine as Applied to Dual-Purpose Documents”, 30 Va. Tax Rev. 715, 2011