Tax Advisor for TQSR Escritórios Associados, Tânia Marangoni served as a Federal Judge for 22 years, later earning the right to be promoted to Appellate Judge of the 3rd Region Federal Appellate Court [TRF] in 2013 and even presiding the 8^th panel of said Court, where she remained until retiring in 2019.

During the abovementioned period, she served as a judge on federal tax cases.  She has a multidisciplinary view on tax law due to her experience presiding over, cumulatively, in both Federal Tax Cases and Federal Civil Cases at the 16th Federal Civil Court of the Capital of SP.

She has a postgraduate degree in Criminal Law from the University of São Paulo (USP) and is a member of the Brazil/France Chamber of Commerce (CCBF) based in Paris/FR and Arbitrator at CAMES – Specialized Mediation and Arbitration Chamber.