Welcome to the Chartered Institute of Arbitrators
Brazil Branch

Sócio responsável pela condução da área de arbitragens e mediação, bem como pela área de contencioso judicial estratégico, além de prestar consultoria cível, comercial, empresarial e contratual. Também atua como árbitro em arbitragens domésticas e internacionais, e como mediador em procedimentos de mediação. É reconhecido, ainda, por sua atuação em processos concursais como falência, recuperação judicial e extrajudicial de empresas.

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.

Diego is an Associate at the firm, specializing in arbitration, civil and commercial dispute resolution, construction law, civil procedural law, and contracts.

Before joining the firm, he was a Senior Lawyer at CDR / Consulting, a Contract Administrator at the Natividad de Chinchero Consortium, and an Associate at the law firms Campos / Arbitration and Infrastructure and DLA Piper.

Lawyer, arbitrator, adjudicator and consultant.

Private equity and venture capital investor and advisor. Board director. Engineer, Lawyer. Technology, corporate finance, complex shareholder disputes.

Admitted to practice (Brazil) in 2012. FCIArb member since 2021. Associate lawyer at Justen, Pereira, Oliveira e Talamini, with experience in arbitration, corporate law and contracts. General Secretary of Chamber of Arbitration and Mediation of FIEP – CAMFIEP.

Product and project management; Portfolio management; Change Management; resilience management; Process management and innovation.

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).

Law graduate of the University of Lima and holder of a Master’s degree in International Business Law from the University of Barcelona. University lecturer and arbitrator. Specialising in conflict prevention and resolution.

Founding partner of the firm. Qualified as a lawyer from the Pontifical Catholic University of Peru and holds a Master’s degree in International Commercial Law (LLM) from King’s College London. Arbitrator at the arbitration centres of the Lima Chamber of Commerce, AmCham-Peru and the Belgian and Luxembourg Chamber of Commerce in Peru. International expert in ICSID arbitration. Member of the Spanish Arbitration Club and The Chartered Institute of Arbitrators (Ciarb). He specialises in the areas of arbitration, contracts, civil law, company law and mergers and acquisitions. He has extensive experience in structuring and designing particularly complex contractual transactions, as well as in devising and managing legal strategies in commercial and corporate disputes. He is the author of various articles in specialist journals in Peru and abroad. Has also previously lectured at the Pontifical Catholic University of Peru and the Peruvian University of Applied Sciences.

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.

Cristina M. Wagner Mastrobuono is an arbitrator and legal consultant with a large experience in the public sector. She is a JD from Universidade de São Paulo and holds an LLM degree from the University of Chicago. Former Vice Chair of the Legal Department of the State of São Paulo,  she has occupied various high-profile positions across practice areas including Infrastructure, Public-Private Partnerships, Concessions, Arbitration, Corporate, and Finance & Tax. Founding partner of Cristina Mastrobuono Advogados, she acts as arbitrator in proceedings related to the infrastructure sector and coordinates the Infrawomen Brazil Mediation and Arbitration Committee.

Christine Santini is a mediator, arbitrator and legal consultant, with a vast experience in civil and public law as a judge, both in 1st and 2nd instances, at São Paulo Court of Justice (1987/2021). She is a JD from University of São Paulo and holds an Executive MBA in Law (Management and Business Law) from Fundação Getúlio Vargas. She is a Fellow of the Chartered Institute of Arbitrators, member of the Brazilian Arbitration Committee (CBAr), Silicon Valley Arbitration and Mediation Center, DRBF-Dispute Resolution Board Foundation and IBDiC-Brazilian Institute of Construction Law.

Economist, PUC-SP, Pos Graduate, FGV-SP.

Founder of Arbitration Channel, a global multiplatform network focused on promoting arbitration and disseminating knowledge about alternative dispute resolution methods.

With more than 20 years of experience in event development and realization, and specialist in marketing and legal communication and reputation management.

The Channel offers online content in English, Spanish and Portuguese, and promote and realize events around the world, creating the environment for knowledge exchange between different cultural backgrounds. The Arbitration Channel network is made up of law firms, universities, experts, arbitration chambers, institutions, TPF and neutrals from all over the world.

With more than 1.000 hours of content, and a network of more than 20,000 professionals, the Channel is a partner of the CIARB in promoting its initiatives and values.

The Arbitration Channel has physical headquarters in São Paulo, Miami, Lima, Lisbon and Luanda, and representatives in several jurisdictions. In partnership with the most renowned universities and institutions, we promote events and disseminate content.

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).

Legal professional with an Executive Master’s in General Counsel: Strategy and Leadership from Sciences Po and a Master’s in Litigation, Arbitration and Alternative Dispute Resolution from Université Paris II Panthéon-Assas. Postgraduate qualifications in Business and Economic Law from Fundação Getúlio Vargas and Tax Law from Universidade Estácio de Sá. President of CAMARC and member of CFA, CBAr, CCI France-Brésil, CCBF, IAB, OAP and OAB/RJ.

Civil Engineer (Universidade da Amazônia – Brazil), with a Master’s Degree in Construction Management (Florida International University – USA) and a postgraduate degree in International Construction Law (University of the West of England, Bristol – UK). Member of the Chartered Institute of Arbitrators – MCIArb (UK) and the Royal Institution of Chartered Surveyors – MRICS (UK). With extensive experience in Contract Administration, derived from more than 33 years of international experience working in more than 10 countries, combines knowledge of construction; preparation, analysis, negotiation, and administration of engineering and construction contracts, including preparation and analysis of claims; and dispute resolution techniques (negotiation, Dispute Boards, mediation and arbitration). Trained by the FIDIC Academy in FIDIC Contracts.

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.

Graduated in Law (University of São Paulo-USP) and Business (Getúlio Vargas Foundation-
FGV/SP). Master in Civil Procedure. MBA in Agribusiness. PhD in Sociology.

Founder at L. Baddauy Advocacia.
Professor at Londrina State University (UEL), teaching Arbitration and ADRs. UELaw International
Dispute Resolution research program founder and coordinator.
Member of the Clube dos Arbitralistas Lusófonos, Brazilian Arbitration Committee (CBAr), Latin
Committee for Greener Arbitrations Pledge and Searching Committee of the ERA Pledge.
Board Member of the Brazilian Institute of Conflict Management (IBGConf).
Board Member of Aurora Incorporadora S/A.

Legal adviser on infrastructure and public works projects. Arbitrator registered with the National Register of Arbitrators and the Arbitration Centre of the Lima Chamber of Commerce. Has over 15 years’ professional experience as a specialist in dispute resolution relating to infrastructure and public works. Speaker and lecturer at conferences, postgraduate courses and academic forums organised by universities, professional bodies and national and international arbitration centres. Master’s degree in International Arbitration from the International University of La Rioja (UNIR), Spain. Specialisation in International Arbitration and Investment from the UP. Specialisation in Construction Law from the UPC. Specialisation in Corporate Law from ESAN. Qualified as a lawyer from UNMSM.

Partner at MVGA Advogados – Madeira, Valentim & Gallardo Advogados

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

Head of Legal, Corporate Affairs and Sustainability for South America

Luíza Kömel is Deputy Secretary-General of the CAM-CCBC (Center for Arbitration and Mediation of the Chamber of Commerce Brazil-Canada). She has obtained her law degree from the University of São Paulo (USP) and is certified in civil law by the University of Paris II: Pantheón-Assas. She has acted as counsel and case manager in domestic and international arbitration proceedings and has extensive experience in international arbitration and mediation academic competitions.

Partner specializing in civil and commercial litigation, domestic and international arbitration, corporate law, M&A, and complex dispute resolution. Holds an LL.M. from Harvard Law School as a Lemann Fellow (2024) and a law degree from FGV Direito Rio. Recognized by The Legal 500 and GAR 100. Fellow of the Chartered Institute of Arbitrators (FCIArb) and member of the Brazilian Arbitration Committee (CBAr).

Founding Partner at Daniela Gabbay Advocacia e Resolução de Conflitos, a boutique law firm specialized in dispute resolution, especially in arbitration and mediation.Currently listed on the roster of mediators and arbitrators in the most prestigious centers in Brazil, Daniela is an experienced Mediator and Arbitrator in ad hoc and institutional proceedings on corporate disputes under different arbitration rules.

She holds a master degree and a doctorate degree from the University of Sao Paulo and has been a visiting fellow at Yale University (2008) and the London School of Economics and Political Science (2013).

Professor at Fundação Getulio Vargas Law School, teaching courses in Civil Procedure, Mediation and Arbitration in the Graduate and Undergraduate Programs. Author of several books and articles on mediation and arbitration.

Daniela is also regularly listed in worldly recognized rankings, such as Who’s Who Legal (Future Leaders in Arbitration and Global and National Leader in Mediation) and Leaders League (Arbitration, Litigation and Brazil’s Best Mediators rankings).

Senior Associate at Garrigues in Lima, specializing in international commercial and investment arbitration. Holds an LL.M. in International Business Regulation, Litigation and Arbitration from NYU School of Law, where he founded the NYU Latin American Arbitration Society (LAAS), and is a Fellow of the Chartered Institute of Arbitrators (FCIArb). Recognized by Legal 500 for Dispute Resolution: Arbitration in Peru in 2024 and 2025. Active in academic publications, conferences, and coaching, including leading the Pontificia Universidad Católica del Perú team to victory in the 2026 American University International Investment Arbitration Competition.

Lawyer specializing in infrastructure projects, corporate litigation and alternative dispute resolution, with extensive experience as counsel and arbitrator in ad hoc and institutional arbitrations under ICC, CAM-CCBC, FGV and CAMFIEP rules, as well as proceedings before Brazilian courts. Holds a law degree from UFPR and an LL.M. with distinction from Tulane University School of Law. Fellow of the Chartered Institute of Arbitrators (FCIArb), former President of the OAB/PR Mediation and Arbitration Commission, and member of ICC Brazil’s Arbitration Commission and the Brazilian Arbitration Committee. Recognized among Brazil’s most admired lawyers in infrastructure, ports and arbitration, and featured by Leaders League for notable arbitration practice. Fluent in English, with proficiency in French and practical knowledge of Spanish.

Partner – Litigation and Arbitration

Ph.D. and a Master’s degree in Law from PUC-SP. Bachelor’s degree in Law from USP. Coordinates mediation and arbitration proceedings involving the State of São Paulo’s direct administration and its autonomous agencies. Ciarb Fellow.

Lawyer specialising in dispute resolution, Senior Associate at Muriel Advogados.

A UK-qualified and US-based lawyer, Juliya Arbisman has a broad international law practice with a focus on complex jurisdictions (Africa, Middle East and CIS), complex industries (mining and energy), and complex claims (parallel criminal-civil proceedings). Juliya is experienced in serving as lead counsel in international arbitrations under the LCIA, ICC, ICDR, SCC, AAA, SIAC, Swiss Chamber, PCA, ICSID and ad hoc rules. She represents clients in a number of court-based applications regarding arbitration (in the UK and elsewhere), including injunctions, set-aside claims, and enforcement proceedings.

Juliya has particular experience in mining and energy sector cases involving both public and private projects that ranged in value from $100m to $7bn. She has worked on some of the largest ever claims under the Energy Charter Treaty, many of which concerned the former CIS countries. Juliya holds a Non-Executive Director position in a mining advisory firm in London.

Juliya also has substantial experience on protection of property and fair process cases in international and regional courts in Europe, Africa and Americas. She has appeared in many proceedings before the European Court of Human Rights. She has co-counseled on claims at the UK Privy Council arising from Commonwealth jurisdictions. These
claims have ranged from judicial review over energy regulation, judicial review over declaration of marine protection area that had excluded an aboriginal population in the Indian Ocean, habeas corpus and other submissions invoking diplomatic and consularlaw.

Juliya joined Steptoe from a national law firm where she headed the International Practice and was a member of the executive committee. Juliya began her career in the international arbitration group of a major UK international law firm in London.

Fabio Núñez del Prado is a tri-qualified lawyer admitted in Peru, New York, and England and Wales, with a law degree summa cum laude from the Pontifical Catholic University of Peru and an LL.M. from Yale Law School. He specializes in commercial and investment arbitration, civil law, and international commercial law, having participated in more than 50 arbitrations under major international institutions. He is Co-Chair of CEA-40 and a member of the Chartered Institute of Arbitrators (MCIArb). A professor and published author, he has received recognition from Chambers & Partners and Legal 500 for his work in international arbitration.

Mestre e Doutor em Direito Civil pela Universidade do Estado do Estado do Rio de
Janeiro – UERJ. Pesquisador Visitante (Visiting Post-Doctoral Fellow) no Instituto de
Estudos Políticos de Paris (Sciences Po), em Arbitragem Internacional. Procurador do
Município do Rio de Janeiro. Professor Convidado da Pós Graduação Lato Sensu em
Direito Civil Constitucional do Centro de Estudos e Pesquisas no Ensino do Direito
(CEPED) da UERJ, do Curso de Especialização em Direito dos Contratos da Pontifícia
Universidade Católica do Rio de Janeiro (PUC Rio), da Escola Superior de Advocacia
Pública do Estado do Rio de Janeiro (ESAP PGE/RJ) e da Escola Superior de Advocacia
da Ordem dos Advogados do Brasil (ESA OAB/RJ). Professor de Graduação na
Fundação Getúlio Vargas (FGV Direito Rio).

Referee / Adjudicator / Lawyer and Master’s degree in Administrative and Economic Law / DRBF Member / CIARD Member / Specialist in Construction Law and Public Procurement / Lecturer

Daniel B. Ferreira is the CEO of the Brazilian Center for Mediation and Arbitration – CBMA. He is also a professor of at AMBRA University (USA), Senior Researcher at South Ural State University, and research fellow at the State University of New York at Buffalo.

Author and co-author of several papers in ADR, published in high-ranked journals, including Scopus and Web of Science, monographs, and textbooks. Daniel is also Editor-In-Chief of the scopus indexed Brazilian Journal for Alternative Dispute Resolution (RBADR) and Co-Editor-in-Chief of the International Journal of Law in Changing World (IJLCW). Daniel is a Fellow at the Chartered Institute of Arbitrators (CIArb), qualified mediator at the International Mediation Institute (IMI), and Young Regional Chair for Brazil at the Institute for the Transnational Arbitration (ITA)

Marcelo Alencar Botelho de Mesquita works as a lawyer, arbitrator and dispute board member with building and infrastructure contracts since 2003. Author of the book “Contratos Chave na Mão (Turnkey) e EPC (Engineering, Procurement and Construction)” (Almedina, 2019) and of chapters and essays focused on construction law. Currently, Vice President of the Brazilian Institute of Construction Law (IBDIC). Former President of the Mediation and Arbitration Committee at Brazilian Bar Association of Santa Catarina between 2016-2018 (OAB-SC). Vice-President of Câmara de Mediação e Arbitragem da ACIF – CMAA.

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Marcelo is a Fellow of the Chartered Institute of Arbitrators of London (CIArb) and founding member and current Director of CIArb Brazil Branch. He is an attorney and arbitrator based in São Paulo, Brazil. He is also a founding and managing partner at Escobar Advogados, where he has been developing a practice on art, third sector, tax and international law in addition to his primary activity as a litigation lawyer. He is a current legal advisor to Brazilian Contemporary Art Association (ABACT). He is included in the roster of arbitrators of the Hong Kong International Arbitration Centre (HKIAC) and several Brazilian institutions (CAMFIEP, CBMAE, CAMES and CAMNORTE). Further, Marcelo was appointed to the Arbitration pool of CAfA in June 2020. He also has experience in resolving disputes as a former Judge of the Administrative Tax Court of the State of Sao Paulo, and a former Counselor Judge of Tax Council of the City of Sao Paulo.

Marcelo’s educational background includes: PhD and Master degrees in Law; Visiting Student at Durham University (UK); Postgraduate in Corporate Law and Civil Procedure. He is a professor at LL. M. in Arbitration at the Brazilian Institute of Capital Markets (IBMEC) and Post-Graduation in Arbitration at PUC/SP-COGEAE (TOP UK Santander Universities Award Winner, Makenzie/Santander Universities). He is fluent in English, Spanish, and Portuguese and has an additional good command of French.

Lawyer and Professor

Law degree from UNICURITIBA, postgraduate qualifications in Constitutional Law from the Brazilian Academy of Constitutional Law (ABDCONST) and in Law, Logistics and International Business from PUC/PR. LL.M. in International Business Law from Sorbonne-Assas University (Paris 2) and a Master’s degree in Business Law, Arbitration and ADR from the Instituto Superior de Derecho y Empresa (ISDE), Madrid. Judicial mediator certified by the OAB/PR Higher School. Fluent in Portuguese, English and Spanish.

Lawyer, Out-of-Court Mediator, Adjudicator and Arbitrator for various arbitration institutions at national level; at international level, she is a member of the panel of arbitrators at the Arbitration Centre of the Mexican Chamber of Commerce (CAM) and the IBT Arbitration Centre. Former Executive Secretary of the National and International Arbitration Centre of the Peruvian Chamber of Construction (CAPECO), with expertise in arbitration, conciliation, dispute resolution panels, public procurement, construction law and administrative law.

Judge at São Paulo Corporate and Arbitration Court. LLM at PennState University (EUA) focus on international commercial arbitration and ADR. She has been a judge since 2000. Member of International Arbitral Women , member of DRBF, SCL-North America Construction Law

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.

Napoleão Casado Filho, current Vice-President of CIArb Brazil Branch, is a member of the Approved Faculty List of the London Chartered Institute of Arbitrators and Professor of Arbitration and International Commercial Law at the Post-graduation of the Pontifical Catholic University of São Paulo (PUC/SP) and university Center of Joao Pessoa (UNIPE).

He has a Master and PhD degrees in International Economic Relations Law at PUC/SP and Post-doctorate at Université Paris II – Pantheon-Sorbonne – Société de Législation Comparée. Experienced arbitrator in proceedings under various institutional rules, he is the Managing Partner at Clasen, Caribé & Casado Filho Sociedade de Advogados, and is a skilled Counsel in international and national arbitration proceedings and in litigation on national courts.

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.