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Ciro César Soriano de Oliveira


  • J.D. (1993) from Universidade de São Paulo Law School (USP).
  • MBA in Business and Economics from Fundação Instituto de Pesquisas Econômicas (FIPE), Universidade de São Paulo Business School(2001).
  • MBA from Fundação Dom Cabral. (2013).
  • Executive LLM Business and Corporate Law by CEU Law School. (Centro de Extensão Universitária, 2018) .
  • Disruptive Business Models, Short Programm by AESE Business School, Lisboa. (2019).
  • Mergers and Acquisitions – synergy, leadership and culture in the post-merger, ISE Business School, São Paulo, in association with IESE Business School of Navarra. (2019).



Solid experience with direct taxation, foreign investment, and corporate restructuring accumulated over twenty years, beginning with work at a large auditing firm. Strong performance in analysis of tax issues related to contract drafting and tax litigation.

He has worked with Tax Law for almost three decades (since 1992), with practice in consulting and tax litigation related to federal, state and municipal taxes, as well as business advisor related to tax and legal matters.



  • Brazilian Bar Association – São Paulo Branch (OAB/SP nº 136.171). Effective member of Tax Committee for the 2016-2018 period.
  • Brazilian Tax Law Institute (IBDT).
  • Member of Taxes Committee of Brazilian Institute of Finance Executives (IBEF).



Portuguese and English.

cso@bratax.com.br | +55 11 9 6482 6886