Rafaella Chiachio


Rafaella Chiachio counsels local and international companies on matters related to corporate law, mergers and acquisitions, joint ventures, multi-jurisdictional transactions, listed companies and corporate governance.

Rafaella advises companies from various sectors, including food and beverage, chemical, technology, telecom and renewable energy. She holds governance officer and secretary roles for listed and non-listed companies in Brazil, working closely with their legal counsels, strategic C-level management and boards of directors.

Within her practice, Rafaella contributes towards the establishment and/or expansion of companies’ businesses in Brazil and improvement of their corporate governance.

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 admissionsRio de Janeiro, BrazilSao Paulo, Brazil


Advised a Brazilian beverage and bottling company on the corporate and governance aspects of a merger

Assisted a Swiss agriculture company in Brazil and Latin America in the acquisition of a major seeds market player . The transaction included the implementation of pre-closing carve-outs of operational assets in Brazil, Uruguay and Paraguay

Advised a leading specialty chemical company on an M&A transaction for the acquisition of a major biocide manufacturer, including assisting in legal due diligence and the drafting and negotiation of transaction documents

Advised a leading producer of renewable energy in Europe on all legal aspects related to the acquisition of a BRL705 million stake in a Brazilian renewable energy company. The acquisition resulted in a joint venture focusing on hydropower projects in Brazil

Assisted an Israel-based defense company with the establishment of a joint venture with a Brazilian information technology integrator and services provider for purposes of operating in the cybersecurity sector in Brazil
  • English
  • Italian
  • Portuguese
  • Fundação Getulio Vargas, Postgraduate Degree in Corporate and Capital Markets Law, 2011

    Fundação Getulio Vargas, Specialization in Oil and Gas Regulation and Businesses,  2008

    Universidade do Estado do Rio de Janeiro, B.A. Law, 2007
  • Specialization, Oil & Gas Regulation and Businesses, Fundação Getulio Vargas 2008
  • B.A., Law, Universidade do Estado do Rio de Janeiro 2007


Latin Lawyer 250, Highly Recommended Lawyer in Corporate and M&A, 2021-2022
Leaders League Brazil, Recommended Lawyer in Corporate/M&A: Mid and Small Cap, 2022
Análise Advocacia Mulher
One of the most admired lawyers in Brazil, Corporate, 2021-2022
One of the most admired lawyers in Brazil, Commercial Contracts, 2021
One of the most admired lawyers in Brazil, Technology, 2022
One of the most admired lawyers in Brazil, Food and Beverage, 2021
One of the most admired lawyers in Brazil, Chemical and Petrochemical, 2021
Análise Advocacia 500
One of the most admired lawyers in Brazil, Corporate practice, 2016, 2019 and 2020
Commercial Contracts, 2020
Food and Beverage, 2020
Chemical and Petrochemical, 2020

Pro Bono

Provision of legal assistance to The Nature Conservative - TNC with matters concerning non-profit international organizations in Brazil.

Provision of corporate legal advice in the MIT-Reap Project related to the building of the first innovation ecosystem in the field of energy and sustainability, to be in the city of Rio de Janeiro, using as basis the Massachusetts Institute of Technology (MIT) region entrepreneurship acceleration program.

Mentor in the DLA Piper Global Scholarship Program, which aims to support developing countries law students to expand their potential and impact their communities.

Prior Experience

Before joining Campos Mello Advogados, Rafaella worked in the corporate area of other renowned law firms in Rio de Janeiro and São Paulo and as an in-house counsel for Telecom Italia Group in the Corporate and Tax Area of TIM Brasil, the controlling shareholder of TIM Participações S.A. (a company listed on Bovespa and NYSE).

Rafaella also served as a foreign associate at the DLA Piper office in New York (NY), United States.



+55 11 3077 3529
(Work, São Paulo (Cooperation Firm))