Sanessa Griffiths advises clients on a broad range of tax controversy matters and transactional situations.

Ms. Griffiths’ practice focuses on matters related to high-stakes and complex tax controversies involving transfer pricing, economic substance and business purpose doctrines, and tax treaty interpretation. With experience representing large U.S. and multinational companies at the audit, administrative proceeding and litigation phases, she routinely performs fact-finding and analysis in connection with multilayered tax matters, and assists clients in navigating legal and practical considerations of prelitigation and litigation work.

Ms. Griffiths is very active in Skadden’s diversity and inclusion initiatives, particularly related to the hiring and retention of attorneys of color. She also has been involved in several pro bono matters, including drafting amici briefs for the U.S. Supreme Court; advising on federal and state tax exemptions for nonprofit organizations; and representing asylum seekers.



  • J.D., The George Washington University Law School, 2015
  • B.S., University of Central Florida, 2012
  • B.A., University of Central Florida, 2012


  • New York
  • District of Columbia
  • U.S. District Court for the District of Colorado
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Tax Court


  • Board Member, The Inclusivity Project
  • Member, American Bar Association


  • Law Clerk. Hon. Ronald M. Gould, U.S. Court of Appeals for the Ninth Circuit (2017-18)
  • Law Clerk. Hon. Susan R. Bolton, U.S. District Court for the District of Arizona (2015-17)