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Andrea Giamondo Massei

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Massei is specialist in Labor Law, with focus on the provision of consultancy to national and multinational companies and extensive participation in complex litigations, mainly concerning executives, sophisticated compensation structures and strategic matters. A large part of Massei’s practice involves the provision of legal assistance on a range of labor issues, including, among others, structuring, reviewing and implementing remuneration and benefits policies; executives’ contracting, dismissal and termination agreements; expatriation (inbound and outbound); and standardization of internal policies in cases of corporate transactions. Massei has previous experience in the provision of assistance to clients of several areas of knowledge, such as banking, retail, services, pharmaceutical, chemical, metallurgy, automotive, and technology.

Recent acknowledgments

  • Chambers & Partners: Brazil: Labour & Employment (2021-2024)
  • Chambers Latin America: Labour & Employment (2017-2021)
  • The Legal 500: Labour & Employment (2017, 2021-2023)
  • Leaders League: Labor Litigation and Labor Advisory (2020-2023)
  • Latin Lawyer 250: Labour (2018-2023)
  • Latin Lawyer National: Labour (2018, 2020)
  • LACCA Approved: Labour & Employment (2019-2024)
  • Análise Advocacia 500: Labour area and in the Chemical and Petrochemical sector (2020), Labour (2021)
  • Análise Advocacia Mulher: Labour area and in the Chemical and Petrochemical sector (2021); Labour, in the Automotive and Auto parts, Banking and Chemical and Petrochemical sectors and in São Paulo (2022); Banking, Labour in the Chemical and Petrochemicals sector and in São Paulo (2023)
  • Women in Business Law Expert Guide: Labour & Employment (2021-2022)
  • Who's Who Legal:  Labour (2018, 2022); "Labor Employment & Benefits" in guides: Global and National (2021-2022)


  • Pontifícia Universidade Católica de São Paulo, Brazil (Bachelor of Laws, 1993)
  • Pontifícia Universidade Católica de São Paulo, Brazil (Post-graduation in Civil Procedure Law, 1995)
  • GVLaw, Brazil (specialization degree in Corporate Labor Law and Union Negotiation). GVLaw, Brazil (post-graduation degree in Business Administration, 2009)


  • Brazilian Bar Association (OAB)
  • International Bar Association (IBA)
  • São Paulo Lawyers Association (AASP)
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