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Global Leader

Arbitration 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Octávio Fragata Martins De Barros is "a true asset to have on your side" say peers who distinguish him as "an outstanding lawyer and strategist" whose "understanding of economic theory makes him an outlier in the market".


Octávio Fragata Martins de Barros is a partner and head of the dispute resolution practice of Rennó, Penteado, Reis & Sampaio Advogados.

Octávio concentrates his practice in civil litigation and arbitration, focusing mainly on construction, oil and gas and infrastructure disputes. He has vast experience as an attorney and arbitrator in international disputes and arbitration procedures before ICC and AAA, and Brazilian institutions CCBC, CIESP/FIESP, CBMA and FGV. Octávio is a member of the ICC task force on maximising the probative value of witness evidence; the task force on states, state entities and ICC arbitration. He was appointed coordinator of the Latin American ICC Young Arbitrators Forum (ICC-YAF) (2011-2014), and is director of the Brazilian Centre of Mediation and Arbitration (CBMA).

Octávio holds a PhD and an LLM in international law from Rio de Janeiro State University (UERJ). He has studied private international law at The Hague Academy of International Law, and arbitration, mediation and negotiation at the Fundação Getúlio Vargas.

Octávio is a former associate and partner of renowned national and international law firms in the areas of litigation and arbitration. He acted as lawyer for an athlete in the pro bono ad hoc tribunal constituted for the Rio de Janeiro’s 2016 Olympic Games.

He is a professor of arbitration at the Fundação Getúlio Vargas, IBMEC, PUC-RJ and Escola Superior de Advocacia. A former member of the editing committee of the Brazilian Arbitration Committee Journal, Octávio has published several articles and chapters in arbitration-related books and journals, including his most recent book Como julgam os árbitros.

Fluent in Portuguese, English and Spanish, he is frequently invited as speaker at events in Brazil and elsewhere.

National Leader

WWL Ranking: Recommended
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