Antonia is an international associate in the Washington, DC office. She specializes in international commercial arbitration and has significant experience representing multinational corporations in cross-border disputes ranging across various industries, including construction, oil & gas, finance, transportation, entertainment, and food & beverages. Antonia has acted in proceedings under a number of arbitration rules, including ICC, AAA-ICDR, and CAM-CCBC.
Before joining Three Crowns, Antonia practiced in Brazil and acted as counsel in domestic and international arbitral proceedings, as well as judicial and administrative proceedings, having appeared before federal and state courts and federal administrative bodies, such as the Brazilian Securities and Exchange Commission (CVM), the Brazilian Central Bank (Bacen), and the Council for Financial Activities Control (Coaf). Antonia was recently recognized as a Rising Star and a Leading Associate in Dispute Resolution: Arbitration by Legal 500 in its respective 2024 and 2025 Brazil Guides.
Antonia holds an LL.M. (Hons.) from Columbia Law School, where her focus was on international commercial and investment arbitration. During her time at Columbia, she was a research assistant to Professors George A. Bermann and Kabir Duggal and held positions in the Columbia International Arbitration Association, and the Columbia Law School Brazilian Association. She also holds an LL.B. from Fundação Getulio Vargas Rio de Janeiro Law School and is concluding her LL.M. in Commercial Law at the University of Sao Paulo.
Bar and court admissions
Languages
English
Portuguese
Spanish
Advising a large multinational in the energy industry on potential disputes with a joint-venture partner over renewable energy projects in a South American state
Advising a consortium of oil & gas majors on disputes related to the termination of EPC contracts for the construction of floating production storage and offloading (FPSO) platforms
Representing sellers in commercial arbitration proceedings arising out of the sale of one of the largest Brazilian supermarket chains to a Latin American group
Acting as counsel in international arbitral proceedings (ICDR) over a cross-border dispute involving companies in the field of aviation and issues of New York, English, Swiss and Brazilian law
Representing a foreign government agency and multinational banks in multiple enforcement and collection proceedings against Brazilian public concessionaires in the public transportation industry and other players
Advising a multinational company in designing and implementing a tailor-made dispute resolution system to provide compensation for claims related to the mass evacuation of tens of thousands of people from large urban areas in Brazil
- LL.M. (Hons.), Columbia Law School
- LL.B., Fundação Getulio Vargas Rio de Janeiro Law School