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Miriam de Lourdes

Miriam Machado Kleissl

“Miriam is a brilliant negotiator. She delivers fast and accurate feedback and is always available.”
Chambers Brazil 2023 Corporate/M&A

Miriam has more than 25 years of experience in corporate law and contracts and specializes in mergers & acquisitions, with extensive experience in corporate reorganizations, mergers, and acquisitions (pure M&A), private equity operations, debt restructuring and corporate regulatory issues.
Miriam works for buyers, sellers, and investors, providing legal advice and presenting innovative solutions that meet the specific needs of each operation.

DLA Piper and Campos Mello Advogados (CMA) are separate and independent law firms, which work in cooperation with one another. Partners of DLA Piper are not partners of CMA; and CMA partners are not partners of DLA Piper.

Bar admissionsSao Paulo, Brazil
“Miriam is impeccable: a very good and patient negotiator and very experienced.”
— Chambers Brazil 2023 Corporate/M&A
“She has depth of knowledge and is very quick.”
— Chambers Global Guide 2023 Corporate/M&A


Experience in M&A transactions involving the sale and purchase of distressed assets, including as Isolated Productive Units (“UPI”). Corporate restructurings and reorganizations. Specific knowledge of advertising and communications industries, agribusiness, clean energy and hydroelectric power, laboratory and testing services, tourism sector, among other.

Corporate and reorganization matters related to public bids;

  • Assistance to a Qatar defense and security company in conducting due diligence for a proposed acquisition of a minority equity stake in a distressed Brazilian company (judicial recovery). This company specializes in designing, developing, and manufacturing defense products and services, including its subsidiaries. The due diligence encompassed a significant regulatory aspect due to the company's strategic business plans and agreements with the Armed Forces of the Brazilian Government.
  • Assisted a Spanish group in the communications industry to acquire a majority stake in a Brazilian based communications and advertising group with operations in several jurisdictions.

  • Portuguese
  • English
  • Italian
  • LL.M., Cambridge University 1994
  • LL.B., Pontíficia Universidade Católica de São Paulo 1989


Chambers Global

  • Ranked, Corporate/M&A (2014 – 2023)

Chambers Brazil

  • Ranked, Corporate/M&A (2021 – 2023)

Chambers Latin America

  • Ranked, Corporate/M&A (2012 – 2021)

The Legal 500 Latin America

  • Recommended, Brazil Corporate and M&A: High-End (2024)
  • Recommended, Corporate and M&A (2022 - 2024)

Best Lawyers

  • Recognized as Lawyer Of The Year - São Paulo (2023)
  • Recognized in Advertising Law, Entertainment Law and Media Law (2013 - 2023)

Latin Lawyer 250

  • Brazil - Mentioned in Corporate and M&A (2024)
Additional Recognitions



  •  Machado, Miriam (2022). Chapter “Brazil: Law and Practice” of publication “Chambers Corporate M&A 2021 Global Practice Guide”, from Chambers and Partners
  • Machado, Miriam (2021). Chapter “Brazil: Law and Practice” of publication “Chambers Corporate M&A 2021 Global Practice Guide”, from Chambers and Partners
  • Machado, Miriam (2020). Chapter “Brazil: Trends and Developments” of publication “Chambers Corporate M&A 2020 Global Practice Guide”, from Chambers and Partners
  • Machado, Miriam/ Moreira, Clara. Chapter Mergers and Acquisitions of distressed Assets (Fusões e Aquisições no âmbito da Recuperação Judicial) Fusões e Aquisições em Foco
  • Machado, Miriam / M&A Team - Newsletter - Periodic Declarations 2013, Central Bank of Brazil
  • Machado, Miriam / Hill, Marcella – Coordinators: The Latin America Leadership Summit (2023), an initiative by Campos Mello Advogados and DLA Piper

Prior Experience

Miriam's previous experiences were in cross-border M&A and contracts, as such in other fields in other major Brazilian firms [1994-2002], [2002-2018] and [2018-2022].

Civic and Charitable

Miriam helped organized and co-chaired the “Latin America Leadership Summit - Focused on Women and Connections” event (July 2023) promoted by CMA and DLA Piper.



+55 11 98612 0108
(Work, São Paulo (Cooperation Firm))