Lydia B. Turanchik

Litigation and Tax ControversyT: (310) 278-6088 F: (310) 278-4805E:


Lydia currently handles litigation and tax controversy matters against the United States Department of Justice, the Internal Revenue Service, the California state taxing authorities (which include the Franchise Tax Board, the Board of Equalization, and the Employment Development Division), and the LA City Office of Finance. She has handled tax disputes at all levels, including audit, appeal, settlement, litigation and collection.


For the past eight years, Lydia has practiced as an associate and then partner with Mather Law Corporation and its predecessor, Kajan Mather & Barish. Prior to joining Kajan Mather & Barish, Lydia spent seven years as a trial attorney with the United States Department of Justice, Tax Division, in Washington, D.C. As a trial attorney, Lydia was responsible for all aspects of civil tax litigation, including representation of the United States in federal district court, bankruptcy court, and state probate court. Her cases included tax refund suits, interpleader actions, collection actions, collection due process appeals, tax collection enforcement cases, summons enforcement proceedings, and bankruptcy matters (Chapters 7, 11 and 13).

Professional Affiliations

Lydia is admitted to practice in California and Massachusetts, and is a member of the Bar of the Supreme Court of the United States, the Ninth Circuit Court of Appeals, the District Court for the Central District of California, and the United States Tax Court.

Lydia’s professional affiliations include the American Bar Association – Taxation Section; the State Bar of California -Taxation Section; the LA County Bar Association – Taxation Section (vice chair – Practice and Procedure Committee); and the Beverly Hills Bar Association – Taxation Section.

Academic Background

Lydia received an LL.M. in taxation from Boston University in 1999. She received her J.D. from Vermont Law School in 1998, where she was Editor-in-Chief of the Vermont Law Review. Lydia earned a B.A. in political science from Tufts University in 1995.


Lydia frequently conducts seminars involving tax controversy and offshore voluntary disclosure matters for California bar associations, CPA groups and other organizations.