Welcome to the Chartered Institute of Arbitrators
Brazil Branch

Renata Steiner is a Brazilian Private Law professor, independente arbitrator, and legal
expert. Mrs. Steiner’s major área of expertise relates to comercial disputes, especially
comercial contracts (domestic and international), construction contracts, corporate, real
estate and Succession Law disputes. Within these areas, her practice focuses in questions
related to damages quantification. Mrs. Steiner has been action as an arbitrator in several
arbitral proceeding seated in Brazil, either as partyappointed
arbitrator, by appointment of
fellow arbitrators or by the administering institution.

Lawyer, Legal Consultant and Accountant. Specialist in Tax Law from the Brazilian Institute of Tax Studies – IBET-SP, Master and Doctor in Law from the Pontifical Catholic University of São Paulo – PUC-SP and Master in Second Level in Company Tax Law from the Luigi Bocconi Commercial University – Milan – Italy . Postdoctoral internship as Senior visiting research fellow at WU (Wirtschaftsuniversität Wien) – Vienna – Austria.

Eduardo Grebler é graduado em Direito pela Universidade Federal de Minas Gerais, LL.M. pela Columbia University School of Law. Sócio de Grebler Advogados em Belo Horizonte e São Paulo. Atua como árbitro e advogado, tendo participado em mais de uma centena de procedimentos arbitrais domésticos e internacionais, em disputas envolvendo direito societário, compra e venda internacional de mercadorias e serviços, contratos de construção e infraestrutura e arbitragem de investimento, dentre outros. Fellow do Chartered Institute of Arbitrators, membro da lista de árbitros de diversas instituições arbitrais brasileiras e estrangeiras. Designado pelo Governo do Brasil como árbitro do Protocolo de Olivos do Mercosul e como membro da Corte Permanente de Arbitragem da Haia. Professor de Direito Internacional Privado na PUC/MG. Publicou cerca de sessenta trabalhos sobre arbitragem, contratos internacionais e direito internacional privado, no Brasil e no exterior

Lawyer and arbitrator with a proven track record in legal practice, arbitration, foreign investment and international trade as managing partner of MZG Advogados. Member of esteemed organizations in the legal and arbitration domain, including the Brazilian

Arbitration Committee (CBAr) and the IBRADIM Arbitration and Mediation Commission. Coordinator of the Mediation and Arbitration Centre at the Brazilian Portuguese Chamber of Commerce in Ceará. Currently, a Ph.D. candidate at the Federal University of Ceará, specializing in the intricacies of environmental law. Author of the book titled “The Protection of the Environment in International Trade” and several scientific papers
in the field of law. Honorary Consul for Uruguay in Fortaleza-CE, fostering international relations.

Advogado e árbitro com histórico comprovado na prática jurídica, arbitragem, investimento estrangeiro e comércio internacional como sócio-administrador da MZG Advogados. Membro de organizações renomadas no campo jurídico e da arbitragem, incluindo o Comitê Brasileiro de Arbitragem (CBAr) e a Comissão de Arbitragem e Mediação do IBRADIM. Coordenador do Centro de Mediação e Arbitragem da Câmara
de Comércio Portuguesa Brasileira no Ceará. Atualmente, é doutorando na Universidade Federal do Ceará, com ênfase no direito ambiental. Autor do livro intitulado “A Proteção do Meio Ambiente no Comércio Internacional” e diversos artigos na área do direito. Cônsul Honorário do Uruguai em Fortaleza-CE, promovendo relações internacionais.

Bruno Gressler Wontroba joined Justen, Pereira, Oliveira & Talamini in 2013, as an intern, and has been a lawyer since 2016.

He graduated from the Federal University of Paraná (UFPR) in 2015.

He has been studying for a master’s degree in Civil Procedural Law at the Federal University of Paraná (UFPR), since 2017.

He has been a member of the Brazil Infrastructure Institute since 2016.

Paulo Fernando Pinheiro Machado is a career diplomat, lawyer and barrister (unregistered). Mr. Pinheiro Machado has wide experience with international issues of high complexity in particular in the areas of shipping, commodities, finance, infrastructure, and the environment. Mr. Pinheiro Machado holds dual legal qualification, both in Brazil and in England and Wales. LLB (Hons 1^st Class) by the Faculty of Law of Curitiba (UNICURITIBA); PGDip (Distinction) in Political Sociology by the Federal University of Parana (UFPR); Diploma in French Studies (2nd Degree mention bien) by the University of Nancy 2; Master in Diplomacy (MPhil with Distinction) by the Instituto Rio Branco; Graduate Diploma in Law (GDL/CPE with Commendation) by City, University of London; Bar Professional Training Course (BPTC – Very Competent) by City, University of London; Master of Laws (LLM with Commendation) by City, University of London; and Diploma in International Arbitration by CIArb.

Mr. Pinheiro Machado has also long diplomatic experience, in particular in Europe and in South America, having served as Chargé d’Affaires for Brazil in Prague and in Copenhagen. He was a member of the Official Brazilian Delegation to the UNFCCC COP-15. Barrister (unregistered) by the Honourable Society of Gray’s Inn. Member of the Commission of Internacional Law of OAB/PR, Honorary Member of the Special Commission of Maritime Law of OAB/RS, Honorary Member of the Special Commission of Internacional Relations of OAB/RS, Expert of the Centre of Political-Strategic Studies of the Brazilian Navy (CEPE-MB) and Researcher of the Centre of Advanced Studies in International Law of PUC/PR (NEADI). Mr. Pinheiro Machado is also a Member of the Baltic Exchange, a Supporting Member of the London Maritime Arbitrators Association (LMAA), and a Fellow of the Chartered Institute of Arbitrators (FCIArb).

Lawyer, ADR practitioner – infrastructure, commercial and corporate. PhD in International Law and Master in Economic and Financial Law, University of São Paulo Faculty of Law. Specialist in complex negotiation and dispute resolution at Harvard Law School. Fellow of the Chartered Institute of Arbitrators (FCIArb). CIArb Brazil Branch Honorary Secretary. CPR – International Institute for Conflict Prevention and Resolution (CPR Neutral) and CDER – Center for Effective Dispute Resolution (CEDR Neutral) certified mediator.

LL.M. and J.D. in Civil Procedure from University of São Paulo Law School. Conflict Mediation Specialist from Northwestern University. Visiting Scholar at Columbia University. Arbitrator. Mediator. University Professor. Attorney-at-Law and Court Litigation, Arbitration, and Conflict Resolution Partner at Lobo De Rizzo Advogados.

His experience includes stints at foreign offices, having worked in arbitrations based in several jurisdictions and administered by the largest global dispute resolution centers. He was also Secretary General of the Ciesp / Fiesp Conciliation, Mediation and Arbitration Chamber.

Dr. Verissimo is a Tenured Professor of Law at the University of São Paulo (Department of Public Law) since
2010. He is a former Commissioner at the Brazilian Antitrust Authority (CADE) (2011-2013) and a former
member of the senior management at the Brazilian Development Bank (BNDES) (2009-2011). Verissimo
has a Bachelor of Laws, a Master of Laws, and a Doctor in Law degrees issued by the University of São
Paulo, and was a Visiting scholar at Yale University. He has more than 25 years of experience in corporate,
public and competition law, with a particular focus on disputes. Dr. Verissimo is an arbitrator in Brazil and
a Ciarb Fellow, and his main areas of experience include project finance disputes, regulatory disputes,
M&A disputes, and competition law disputes.

Sócio de Wald, Antunes, Vita e Blattner Advogados. Bacharel, Mestre e Doutor em Direito Processual
Civil pela Faculdade de Direito da Universidade de São Paulo (FDUSP). LL.M. em International Business

Regulation, Litigation and Arbitration pela New York University – NYU, bolsista Arthur T. Vanderbilt. Vice-
Presidente da Comissão Especial de Arbitragem da OAB/SP. Diretor do Centro de Mediação e Arbitragem

da Câmara de Comércio Portuguesa no Brasil (CMA-CCPB). Fellow do Chartered Institute of Arbitrators
(FCIArb). Membro da Comissão de Arbitragem e ADR da ICC Brasil, do Institute of World Business Law
da CCI e do Rising Arbitrators Initiative. Autor de diversos artigos sobre arbitragem em publicações
nacionais e internacionais.

– Professor at the Pontifical Catholic University of Paraná – PUCPR
– LL.M. in International Trade Law at the University of Turin, Italy
– Master in Economic Law at the Pontifical Catholic University of Paraná – PUCPR
– Attorney at the Attorney General Office of the State of Paraná (PGEPR)

Bachelor, Master and PhD in Commercial Law from FDUSP – Largo São Francisco. Vice-president of IDiP – Private Law Institute. Fellow of the Chartered Institute of Arbitrators (CIArb). Lawyer in São Paulo.

Associate in Selma Lemes Advogados. Experience with Transnational Dispute Resolution and Commercial Arbitration in Brazil.

Lise de Almeida is a lawyer with extensive experience in litigation and arbitration, having represented parties from diverse economic sectors in commercial, civil and administrative cases for over thirty years now. She holds both a law degree (J.D.) and a doctoral degree (S.J.D.) from the University of São Paulo Law School, and a master’s degree (LL.M.) from Harvard Law School.

Lise is a Fellow of the Chartered Institute of Arbitrators and is in the roster of arbitrators of (i) the Center for Arbitration and Mediation of the Chamber of Commerce Brazil-Canada (CAM-CCBC); (ii) the Arbitration Chamber at CIESP-FIESP, (iii) the Arbitration and Mediation Chamber of the Federation of Industries of the State of Paraná, and (iv) the Italian-Brazilian Arbitration and Mediation Chamber – CAMITAL.

She is a founding partner of the Law Firm Almeida, Costa e Pinheiro Sociedade de Advogados headquartered in São Paulo, Brazil.

João Marçal Martins focuses his practice on litigation and arbitration. He acts as an arbitrator and represents clients in judicial litigation, domestic and international arbitration, mediation, dispute boards and administrative procedures.

João has advised clients and acted as an arbitrator in construction, energy, healthcare, technology and oil and gas sectors.

2008-2011 – Ph.D. in International and Comparative Law. Law School of the University of São Paulo. Thesis: Analysis of the Effects of the Statute of Limitations in Domestic and International Arbitration from a Brazilian Law perspective;

2003-2004 –  LL.M (DESS) in Litigation, Arbitration and Alternative Dispute Resolution Methods University of Paris II (Panthéon-Assas), France Paper: “La pratique des anti-suit injunctions à l’encontre de l’arbitrage et son émergence en droit brésilien” (The practice of anti-suit injunctions against arbitration and its emergency in Brazilian law), with the guidance of Professor Charles Jarrosson;

2002-2003 – Post graduation (DSU) in Civil Law University of Paris II (Panthéon-Assas), France.;

1995-2000 -Bachelor of Laws (LLB) Federal University of Rio de Janeiro. Full Professor at Brazilian Institute of Capital Markets (Ibmec-SP); Independent Arbitrator. Practice Areas:  Civil and Commercial transactions; Oil and Gas, Energy, Banking, agribusiness. Domestic and International Arbitration. Professional activities include acting as arbitrator in domestic and international arbitration procedures in Brazil, Administrative Secretary of Arbitration Tribunals as counsel in arbitration procedures;

author of numerous articles and books, inter alia: Arbitragem e Prescrição (Arbitration and the statute of limitations). São Paulo: Atlas, 2014; The CAM-CCBC Arbitration Rules 2012: A Commentary. Coordinated by Frederico José Straube, Claudio Finkelstein and Napoleão Casado Filho. Hague: Eleven International Publishing, 2016.

Lawyer and Arbitrator based in São Paulo.

Eduardo has extensive experience with national and international matters related to different sectors, such as the financial market, agribusiness, life sciences, civil construction, automotive industry among others.

Eduardo is a Ph.D candidate and holds a LL.M in International Law at PUC/SP, where he also obtained his Postgraduation Degree in Administrative Law. He holds a LL.M in International Commercial Law from University College London-UCL. He is a professor of Postgraduate courses in Arbitration and International Law at COGEAE-PUC/SP. He coordinates the Group of Studies in International Commercial Law at PUC/SP.

Lawyer from the Universidad Nacional Mayor de San Marcos and Master in Real Estate Consulting from the Faculty of Economics and Business of the University of Barcelona. He has worked in the Real Estate and Arbitration departments at Baker & Mckenzie in Barcelona (Spain) and is currently a Partner at Huanco Abogados. He works as an arbitrator and lawyer in arbitrations in public and private contracts, and in processes of execution and annulment of arbitral awards.

In addition, he is a member of the Spanish Arbitration Club (CEA) and the Young International Arbitration Group (London). He has been Technical Secretary and Advisor of the Working Group that was responsible for proposing improvements to the Civil Code designated by the Ministry of Justice and Human Rights. He is a professor of Real Estate, Obligations, Contracts and Arbitration at the Faculties of Law of the UPC and Universidad del Pacífico, and in the Master; Degree in Civil and Commercial Law of the UNMSM.

Formado em Direito pela Pontifícia Universidade Católica de São Paulo (PUC-SP). Atualmente é Juiz de Direito do Tribunal de Justiça do Estado de São Paulo (TJSP), tendo sido aprovado em 1º lugar na prova oral do concurso. É ainda Juiz da 382ª Zona Eleitoral do Tribunal Regional Eleitoral de São Paulo (TRE-SP) e integrante da 2ª Turma do Colégio Recursal da Fazenda Pública de Santo André. Foi orador titular da equipe da PUC-SP no 17º Willem C. Vis Moot (Viena, Áustria – 2010) e coach das equipes da PUC-SP no 19º Willem C. Vis Moot (Viena, Áustria – 2012) e no 10º Willem C. Vis Moot East (Hong Kong – 2013). Bolsista da PUC-SP, por mérito acadêmico, na Faculdade de Direito da Universidade de Durham (Reino Unido – 2010). Aprovado também no 56º Concurso de Ingresso na Magistratura do Estado de Goiás (TJGO – 2016).

In the field of legal practice, Dr. di Salvo is a professional with over ten years of experience in managing contract negotiations and resolving infrastructure disputes.
Specializing in projects across transportation, energy, sanitation, and pulp and paper sectors, her expertise encompasses both national and cross-border projects. She holds both a Doctorate and a Master's degree in Administrative Law from the University of São Paulo. She has practiced law at prestigious law firms in Brazil, such as Pinheiro Neto Advogados and Veirano Advogados.

FCIAbr. Senior Partner at Wongtschowski Kleiman Advogados. Tax advisor at Sistema B Brasil. Arbitrator at the Mediation, Conciliation and Arbitration Chamber of OAB/SP and Arbitac/PR.

Bruno Wontroba has been a CIArb member (Associate) since 2022. He works as lawyer at Justen, Pereira, Oliveira & Talamini, based on Curitiba, São Paulo and Brasília. He joined the firm as a student intern in 2013, becoming a lawyer in 2016. His main area of academic expertise is civil procedural law. Bruno Wontroba is graduated in law from the Federal University of Paraná (2015) and holds a master degree in Civil Procedure Law from the same institution (2019), writing a thesis on procedural contracts. Also, he has been a member of the Brazil Infrastructure Institute since 2016.

Graduated from the most prestigious Law School in Brazil where I have also obtained mymaster’s degree inPhilosophy of Law under the orientation of Professor Celso Lafer, formerBrazilian Chancellor at the WTO and where I’m currently a PH candidate in InternationalPrivate Law., MBA in Agribusiness Management obtained at Getulio Vargas Foundation(FGV), LLMin Transnational Commercial Practice organized by the Center for InternationalLaw Study (CILS), based in Salzburg–Austria, together with Lazarski University fromWarsaw, Eötvös Loránd University from Budapest and Boston University, and LLM inMaritime Law from the Maritime Law Academy–Brazil.Member of the Brazilian ArbitrationCommittee–CBAR, of the Grains and Feed Association–GAFTA, The International CottonAssociation-ICA and of the Federation of Oil and Seeds Associations-FOSFA. Fellowmember of Chartered International Arbitrators–CIARB.

Sofia Vale is a professor at the Faculty of Law at Agostinho Neto University, focusing her research on business law and arbitration. She serves as an arbitrator (having acted in around 40 arbitrations to date) and as a legal expert in national and international arbitrations. She is a member of the ICSID panel of arbitrators, the ICC Arbitration and ADR Commission, and a member of the Board of Directors of the CAC. With several published articles on arbitration, she is co-author of the Annotated Arbitration Law of Angola.

Pedro obtained his bachelor’s degree from Pontifícia Universidade Católica de São Paulo in 2006. In 2013, he obtained his LL.M degree in Comparative and International Dispute Resolution from Queen Mary, University of London. In 2017, he obtained his master’s degree in Commercial Law from Pontifícia Universidade Católica de São Paulo. Currently, doctorate candidate in Commercial Law from Pontifícia Universidade Católica de SãoPaulo. As counsel, he has been involved in a variety of complex disputes (litigation before Brazilian Courts and arbitration proceedings administered by both domestic and international institutions).

Law student at Veiga de Almeida University (UVA), member of the Equipe de Mediaqäo e Arbitragem da UVA (EMAUVA) and researcher by the same institution. Associate at the Chartered Institute of Arbitrators (CIArb). Graduated in History from the Universidade Federal do Rio de Janeiro (UFRJ). Master in the Post-Graduation Program in Social History (PPGHIS-UFRJ). Member of the editorial board of Topoi Magazine.

Maria Luiza is a Brazilian-qualified lawyer who works with strategic dispute resolution
and prevention, arbitration and contract management, with focus on the sectors of
infrastructure and construction.

Graduated in Law from UFRJ (Brazil), expert in Construction Law and listed as an arbitrator, mediator, and dispute board member in numerous institutions. Holds a PhD at UFF (Brazil), a Master’s degree in International Private Law and International Commerce from the University of Paris 1 (Sorbonne), in Global Business Law at Sciences Po Paris, and a Master in Business Economics from UFRJ. Regional Director for Latin America at DRBF, Board Member of the Brazilian Chapter of Club Español e Iberoamericano del Arbitraje and Vice-president of Academic Council of Canal Arbitraje

Partner of R. Amaral, Huland, Castro Alves, Linhares; Barros Leal Law Firm, in charge to manage the corporate and international areas of practice, having strong expertise in advising foreign investors, bankrupt estates and companies operating in the markets of real estate, tourism, hospitality, construction and transports. Bachelor of Law at the University of Fortaleza – UNIFOR, Specialist in Business Law at the Pontifical Catholic University of São Paulo –
PUC/SP, Master in International Law at the Lisbon University School of Law – FDUL. Registered in the Brazilian and Portuguese Bar Associations. Member of the Arbitration and Mediation Unit of the Alliance of Business Lawyers – ABL (Geneva), Vice-President of the Brazilian-German Chamber of Commerce and Industry of Ceará – CCIBAC (Fortaleza), Member for Brazil for the Deutsch-Brasilianische Gesellschaft – DBG (Berlin), Professor of the LL.M. Business Law and Management of the University of Fortaleza – UNIFOR (Fortaleza), Arbitrator of the Specialized Arbitration and Mediation Chamber – CAMES (Fortaleza). Worked professionally in arbitrations, due diligences, business acquisitions, corporate restructuring, international finance, corporate conflicts, insolvency proceedings, projects to implement corporate governance rules, disputes on intellectual property rights, negotiation of international agreements, as well the incorporation, merger and split of companies. Was speaker in Brazil and abroad in panels related to foreign capital, investment attraction and Brazilian legal system. Author of the book; From the Development to the Consolidation of the Legal Institute of Nationality in International Law;
(2020).

Graduanda na Faculdade de Direito da PUC-SP. Competidora de Mediação e Negociação pelo MN PUC-SP.

Barrister, England and Wales (1997) and Attorney, New York (2002). Celso has a broad international commercial practice with recognized expertise in reinsurance, cyber insurance, cybersecurity, data breach, cryptocurrency, fraud, asset-tracing, and business interruption insurance law as well as regulatory investigations, comprising both advisory and contentious work. Having worked for over 23 years as an international litigation solicitor and partner in several international UK and US law firms based in the City of London, Celso has extensive expertise in complex multi-jurisdictional arbitrations and court proceedings worldwide.

Celso is a founding committee member of the Cyber Insurance Association and past President of the London Business Interruption Association. He is a Fellow of the Chartered Institute of Arbitrators (FCIArb), and a former visiting lecturer at the Centre for Energy, Petroleum, Mineral Law and Policy, University of Dundee (CEPMLP). Celso also accepts appointments to act as an arbitrator.

Publications: (1) Chapter “International Arbitration-Insurance and Reinsurance (London Market)” in International Commercial Arbitration Practice: 21st Century Perspectives, LexisNexis (available here);  (2) Cyber Risks Insurance – Law and Practice, 1 ed., Sweet & Maxwell; and (3) Walmsley on Business Interruption Insurance, 2 ed.,  Witherby Insurance.

Gabriel Ferreira Labatut Simões holds a Master of Laws degree from the University of California, Berkeley, and has over 14 years of experience in the infrastructure and corporate law sectors. He has been recognized as one of the most admired lawyers in the field of construction law. He has worked as an attorney on strategic international and domestic projects across a wide range of industries, focusing on complex negotiations, contract management, contract drafting, and judicial and arbitral litigation, with particular emphasis on his work in highway, airport, port, mining, logistics, sanitation, energy, technology and international trade projects, in addition to serving as an arbitrator.

Sócio fundador do escritório J.E. TOLEDO SOCIEDADE DE ADVOGADOS; cofundador do Instituto Brasileiro de Arbitragem e Transação Tributária – IBATT; Doutorando em Relações Econômicas Internacionais pela PUC-SP; Mestre e Especialista em Direito Tributário pela Faculdade de Direito da PUC-SP; Extensão em Arbitragem pela PUC-SP; Membro da XX Turma do Tribunal de Ética e Disciplina da OAB/SP; Árbitro na CAMES e CAMCA-OAB/SP; Associado ao Chartered Institute of Arbitrators (CIArb); Membro do Comitê Brasileiro de Arbitragem – CBAr; Coordenador do curso de extensão: Arbitragem – Teoria e Prática (IBET); Professor conferencista do curso de especialização em Direito Tributário do IBET, APET e CERS; Foi Professor no Insper (LLm em Direito Tributário – matérias ICMS, IPI e ISS; Tributação Aduaneira e Comércio Exterior) e na Fundação Getúlio Vargas (GVlaw) nas disciplinas “Fusões, Aquisições, Reorganizações Societárias e Due Diligence” e “Tributação das Indústrias”; ex- juiz do Tribunal de Impostos e Taxas da Secretaria da Fazenda do Estado de São Paulo; Palestrante em diversos seminários sobre Direito Tributário; Autor e co-autor de vários livros e artigos sobre Direito Tributário e Arbitragem; Orientador em cursos de graduação e de pós-graduação.

LL.M. Queen Mary, University of London (Merits). Diretor do Curso Prático de Arbitragem –
CPA. Sócio de Laudelino Advogados. Advogado.

Business Lawyer. Vice-President of the Arbitration Commission of the Federal Council-OAB. Electoralist. Angel Investor

Advogado especializado em Direito Processual Internacional, com foco em Arbitragem

Associado com atuação nas áreas de contencioso civil, comercial e administrativo, arbitragem, direito societário e contratos.

Advogada associada ao COSRO. Atua em resolução de disputas e arbitragem. Pesquisadora visitante na Unidroit (Roma). Pós-graduação em Direito Processual Civil pela UERJ. Mestranda em Direito Civil na PUC-Rio. 

Specialties: Dispute Resolution