Mediador Judicial (TJSP – Tribunal de Justiça do Estado de São Paulo) e Extrajudicial em algumas das principais câmaras brasileiras. Certificado por IMI – International Mediation Institute, ICFML – Instituto de Certificação e Formação de Mediadores Lusófonos e ODR Foundations Training. Facilitador. Árbitro. Fellow do CIArb – Chartered Institute of Arbitrators (Reino Unido). Advogado. Professor em cursos de gradução e pós-graduação em Direito. Autor de livros e artigos jurídicos. Mestre e Doutor em Direito Processual pela USP – Universidade de São Paulo. Capacitado em Mediação pela Mediaras Mediaciones Privadas (ARG) e pela Algi Mediação. Capacitado em Negociação pela FGV – Fundação Getúlio Vargas. Especialista em Mediação de Conflitos Complexos e em Negociação pelo PON – Program on Negotiation da Harvard Law School (EUA). Capacitado e certificado em Dispute Board pela DRBF – Dispute Resolution Board Foundation (EUA). Membro da AASP – Associação dos Advogados de São Paulo; da ABDEM Associação Brasileira de Direito de Energia e do Meio Ambiente; do CBAr – Comitê Brasileiro de Arbitragem; do CEAPRO – Centro de Estudos Avançados de Processo; da DRBF – Dispute Resolution Board Foundation; do IASP – Instituto dos Advogados de São Paulo; do IBDP – Instituto Brasileiro de Direito Processual; da INSOL International; e da TMA – Turnaround Management Association Brasil. Membro Efetivo da Comissão de Soluções Consensuais da OAB/SP – Seção de São Paulo da Ordem dos Advogados do Brasil.

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.

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.

João is an associate at BODENHEIMER, a German disputes firm, and has experience in highly complex judicial and arbitration proceedings, both as counsel and tribunal secretary, in cases seated in Brazil, Europe, and the United Arab Emirates. His experience includes construction and infrastructure disputes, contracts, corporate matters, banking, industrial property, among others.

João holds a Bachelor of Laws degree and a specialization in Civil Procedure from Universidade de São Paulo, as well as an LL.M. in International Dispute Resolution from Humboldt Universität in Berlin.

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).

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.

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.

Advogada especializada em arbitragem. Membro do Comitê do YMG Ciarb Brazil Branch. Coadministradora do MN PUC-SP, grupo de estudos voltado para mediação e negociação. Graduada em Direito pela PUC-SP.

Advogado inscrito no NY Bar, Counsel de Cleary Gottlieb em São Paulo. LLM pela University of California, Berkeley. Bacharel pela Universidade Federal de Minas Gerais. Foi Vice-Diretor de Comunicações do Ciarb Brazil Branch (2024-2026). Fellow do Ciarb.

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.

Civil litigation and arbitration lawyer, working with focus on commercial and contractual disputes, as well as arbitration proceedings in this regard. Extensive experience in pre-litigation, litigation and arbitration involving corporate and contractual matters, regulatory sector, agribusiness, construction, mining, energy and infrastructure.

Partner at MVGA Advogados – Madeira, Valentim & Gallardo Advogados

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.

Advogado especializado em Direito Processual Internacional, com foco em Arbitragem

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.

André has been working on energy matters for more than 22 years and is recognized as a reference in this field by Chambers & Partners, The Legal 500, Leaders League and others.

He has been working in arbitration proceedings since 2004 and has been nominated as coarbitrator
and president in relevant disputes. He is a listed arbitrator at the main Brazilian arbitral chambers and coordinates the Study Group on Arbitration and Energy at the Comitê Brasileiro de Arbitragem.

André has published several articles on energy arbitration and is a regular speaker at conferences regarding the matter.

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.

Lawyer at Nanni Advogados, with a degree in Law from Universidade Presbiteriana Mackenzie, postgraduate studies in Contract Law from Fundação Getúlio Vargas and an LLM in International Trade Law from Universidade de São Paulo. Experience in Civil, Commercial and Private International Law. Associate Editor of the Revista de Arbitragem e Mediação and member of the Brazilian Arbitration Committee, ITA Advisory Board, New Voices, Young ITA and INOVARB-AMCHAM.

Has relevant experience in civil and commercial matters, both in the litigation and consultancy areas.
In the litigation area, she represented clients for more than fifteen years in conducting mediation, arbitration and judicial processes, in all instances.

In the consultancy area, she has extensive experience in pre-litigation advice and risk assessment related to corporate operations.

Brazilian lawyer with 20+ years of legal experience, including 15 years in civil and commercial litigation and, since 2020, a focus on domestic and international arbitration, academic initiatives and mediation. Experience assisting arbitrators and tribunals in complex commercial disputes before leading arbitral institutions in Brazil and the US, involving corporate, M&A, construction and franchise matters. Fluent in Portuguese, English and Spanish, with intermediate French.

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 with advisory and contentious experience before Brazilian courts, including the Supreme Federal Court, Superior Court of Justice and Federal Court of Accounts. Practice focused on accountability, civil and criminal investigations, white-collar crime, plea bargaining, leniency and compliance, with international law firm collaboration since 2015. Experience in construction and energy contracts, claims, disputes, arbitration, public procurement, PPPs and concessions. PhD from PUC São Paulo; Master’s and LL.B. from UFMG.

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).

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.

Legal professional with experience since 2014 in infrastructure, public and private works, contract administration and alternative dispute resolution, particularly arbitration. Experience includes construction arbitration under FIDIC contracts involving a USD 30 million disruption claim, with over 85% of the amount awarded. Since 2018, management of 300+ arbitrations and Dispute Boards. Since 2025, Head of the Dispute Board Area at the CCL Arbitration Center. Currently pursuing a Master’s in Public Utilities Regulation and Infrastructure Management.

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).

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.

• Graduated in Civil Engineering with honors, MBA in Finance, 25 years of executive experience
in project management, contract and claim management. Chartered Arbitrator and Quantity
Surveyor.

• Experienced in executing international construction projects, including complex power
generation plants and large-scale infrastructure developments. Proficient in implementing
measures to ensure meeting and exceeding compliance with budget, schedule, quality, safety,
and customer expectations.

• Experience gained during the execution of industrial buildings, LNG to Power projects, Simple
Cycle and Combined Cycle power plants, water distribution systems, gas & water pipelines,
water treatment plants, HV Switchyard & Transmission Lines, Piers & Docks, roads & railways,
tunneling & airports.

• Highly skilled in Contract Administration, Claims Management and Dispute Avoidance and
Resolution. Focused on implementing project commercial and contractual strategies that
constantly exploits opportunities and minimize exposure to risks.

• Tested and skilled in Project and Contract Management, Finance and Accounting, resolution
of Claims and Disputes, Litigation Support.

• Fluent in English, Spanish and Portuguese.

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.

Bachelor of Laws-Universidade Federal do Paraná (UFPR). Master in Civil Procedural Law-Faculdade de Direito do Largo São Francisco, USP. Lawyer, Associate of Justen, Pereira, Oliveira & Talamini Advogados. Representative of this office at CBAr – Comitê Brasileiro de Arbitragem. Member of the Instituto Brasileiro de Direito Processual – IBDP. Arbitrator of CAIEP – Câmara de Arbitragem da FIEP. Arbitrator of ARBITAC -Câmara de Mediação e Arbitragem. Co-coordinator of the Infrastructure Commitee of CAMARB – Câmara de Mediação e Arbitragem Empresarial Brasil.

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.

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.

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.

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.

Specialties: Dispute Resolution

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

-Arbitrator – Centro Brasileiro de Mediação e Arbitragem (CBMA), Brazil;

-Sports Arbitration course Coordinator – Centro Brasileiro de Mediação e Arbitragem (CBMA), Brazil;

-Vice-President of the 1st Disciplinary Committee of the Santa Catarina Football Sports Court, Brazil;

-Member of the Ordem dos Advogados do Brasil, Santa Catarina Section Arbitration Committee, Brazil;

-Member of the Brazilian Bar Association;

-Member of the Portuguese Bar Association;

-Master in Transnational Law (Dissertation: Sports Arbitration);

-Publisher:

— A Câmara Nacional de Resolução de Disputas da CBF: Instauração do Processo, Procedimento e Natureza das Decisões à Luz do Instituto da Arbitragem. In: Douglas Anderson Dal Monte; Rodrigo de Assis Horn. (Org.). ANUÁRIO MH 2019. 1ed. Florianópolis: Conceito Editorial, 2019, v. 1, p. 261-282

— The Arbitral Nature of the Dispute Resolution Chamber – ‘Discussion on the necessary requirements for the decisions of the FIFA Dispute Resolution Chamber to be recognized as arbitration awards’. In: MEIRIM, José Manuel (Director). REVISTA DO DIREITO DO DESPORTO. Ano II, n.º 4, Setembro-Dezembro 2020. Lisboa: AAFDL / FPF PORTUGAL FOOTBALL SCHOOL, 2020, p. 76-100

— ARBITRATION: STATUTES OF LIMITATION TO INITIATE AN ARBITRATION PROCEEDING

Discussion about the institute, legal nature and possible consequences for the expiration of the term. Revista Brasileira de Alternative Dispute Resolution – RBADR, v.2, n.4 (jul-dez).

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.

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.

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.

Lawyer graduated from Universidad San Martín de Porres, arbitrator and partner at Montezuma Abogados. He acts as an arbitrator in ad hoc proceedings and before various arbitration centres in Peru, including the Lima Chamber of Commerce, AMCHAM, OSCE, CAPECO, the College of Engineers of Peru and the Lima Bar Association. He is a member of the Chartered Institute of Arbitrators (CIArb) in London and a candidate for FellowCIArb. He is also included on the list of arbitrators of the Arbitration Court of the Madrid Chamber of Commerce and is a member of the American International Commercial Arbitration Court (AICAC). He is a lecturer in Arbitration and Alternative Dispute Resolution and coaches university teams participating in international arbitration competitions.

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.

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.