Mauro Cesar Leschziner

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Mauro is one of our senior partners in the M&A and Private Equity Group. He has represented local and foreign clients in their investments in and divestments of Brazil. In addition to regularly providing legal advice on complex transactions for some of the country's most active private equity firms, Mauro is the legal advisor for large Brazilian and foreign corporations, both privately and publicly owned, in their M&A activities and general corporate and contractual needs. Mauro has actively represented clients in different areas, such as fertilizers and agribusiness, healthcare, technology (including fintechs), education and consumer retail. Recently, he has also represented clients in some of the most significant real estate projects in São Paulo and Rio de Janeiro.

As part of his work, he advises clients in complex M&A and private equity transactions, negotiations of strategic contracts and disputes, and foreign investments in Brazil. He has also represented large Brazilian families in the succession planning to the next generations.

Recent acknowledgments

  • Chambers & Partners Brazil: Corporate/M&A (2021)
  • Chambers Latin America: Corporate/M&A (2016-2021)
  • Chambers Global: Corporate/M&A (2019-2022)
  • The Legal 500: Corporate and M&A (2021)
  • Leaders League: M&A - Large-cap transactions (2022)
  • Latin Lawyer 250: Corporate and M&A (2019-2021)
  • Latin Lawyer National: Corporate and M&A (2020)
  • Análise Advocacia 500: Financial Operations, Aeronautics, Pulp and Paper (2010-2017); Aeronautics (2020); Chemical and Petrochemical, Corporate and Business Contracts (2019, 2021)
  • IFLR1000: M&A as "Notable practitioner" (2019-2020)
  • Who’s Who Legal: M&A (2014-2021)


  • PUC-SP (Pontifical Catholic University of São Paulo) (Bachelor of Laws, 1995)
  • Cornell Law School (Cornell University), Ithaca, NY, US (LL.M in Corporate & Securities Law, 1998)

Experience abroad

  • Skadden firm, Arps, NY, US (1998 - 2001)


  • Brazilian Bar Association (OAB)
  • New York Bar Association
  • International Bar Association (IBA)