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.

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.

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.

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.

Senior Associate (MCIArb) at Estudio Echecopar, specializing in Construction Law, infrastructure projects, NEC and FIDIC contracts, public procurement, and arbitration. Holds postgraduate studies in Public Procurement from the Peruvian University of Applied Sciences (UPC). Experienced in contract administration and legal advisory for civil infrastructure and hospital projects, with expertise in risk management, claims, and dispute resolution before public entities and Dispute Boards (JPRD and DAB). Advanced English proficiency.

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

Lecturer in Private International Law at the State University of Rio de Janeiro and lecturer in International Law at the Federal Rural University of Rio de Janeiro, with extensive experience in research and publications on topics relating to international economic law and international transactions. During his academic career, he has held academic administrative posts and contributed to teaching, research and innovation at other institutions. He is a member of the Chartered Institute of Arbitrators and has been nominated for the European Commission’s list of arbitrators for commercial dispute resolution proceedings within the European Union. Lawyer.

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

Partner – Litigation and Arbitration

Lawyer graduated from Universidad Peruana de Ciencias Aplicadas (UPC), with over 15 years of experience in the energy sector, both in private practice and in-house. Holds a Master’s degree in Public Utilities Regulation from Universidad del Pacífico, specializing in regulatory matters. Further training in international commercial and investment arbitration at American University Washington College of Law and Universidad CEU San Pablo. Registered arbitrator at the AMCHAM Peru Arbitration Center and Member of the Chartered Institute of Arbitrators (MCIArb) since 2021. Holds executive management qualifications from INCAE Business School and an MBA with a Latin American focus from Universidad Adolfo Ibáñez. Part-time professor at UPC, with nine consecutive years of previous university teaching experience. Also pursues acting studies.

Experienced Principal with a demonstrated history of working in the legal services industry. Strong education professional skilled in International Law, Legal Assistance, Legal Research, Foreign Investment, and Joint Ventures.

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).

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.

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.

Since August 2023, Daniel has been working exclusively as an arbitrator in the resolution of disputes arising from or relating to public or private works contracts, concessions, works-in-lieu-of-tax contracts and various commercial contracts.

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. 

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, arbitrator, adjudicator and consultant.

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.

Master’s degree in business law. With over 19 years’ experience in civil litigation relating to property and commercial matters, as well as arbitration.

As a Founding Partner of Verena Ventures, advises companies and investors on Corporate Governance, Strategy, M&A, IPO, and doing business in Brazil. In this role, he helps clients navigate the complexities and opportunities of the Brazilian market, delivering value-added solutions and insights.

Mr Putz also serves as Board Member (Non Executive Director) and Audit Committee Member in Corporations and nonprofit organizations, having obtained certification by IBGC as Experienced Board Member (CCA+) and Experienced Audit Committee Member (CoCoaud+), and IMD Board Diploma.

His background as a CEO and CFO of large companies in various industries, such as infrastructure, steel and mining, telecom, consumer goods, energy and industrial products, has given him a broad and deep understanding of the challenges and opportunities in the Brazilian business environment.
He has also completed several executive education programs at prestigious institutions, such as Harvard, IMD, Tsinghua, Wharton, and IESE.

Lawyer with 20+ years of experience in Construction Law and Arbitration. Founding Partner of Campos / Arbitraje e Infraestructura (CAI) in Peru and Master’s graduate of New York University (NYU). Former President of the Peruvian Society of Construction Law and professor at Universidad del Pacífico and Gerens Graduate School. Arbitrator listed by CCL, AMCHAM Peru and PUCP. Experience in major infrastructure projects and 200+ domestic and international construction arbitrations.

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.

Diego is a managing partner at Martinez & CIA Abogados. He holds a law degree from the Pontifical Catholic University of Peru (PUCP). He holds an LL. M. in ‘Comparative and International Dispute Resolution’ from Queen Mary University of London (England), has completed advanced studies in arbitration at the Swiss Arbitration Academy in collaboration with the Universities of Lucerne and Neuchâtel (Switzerland), and has completed postgraduate courses in contracts and damages at the University of Salamanca (Spain), and in public procurement at the PUCP and ESAN.

He is an arbitrator at the Arbitration Centre of the American Chamber of Commerce in Peru (Amcham), the Cusco Chamber of Commerce and Ankawa International. He is a member of the Peruvian Association of Constitutional Law, the Spanish Arbitration Club and the Chartered Institute of Arbitrators (ACiarb). He currently lectures in procedural law at the PUCP and the University of Lima.

He has been a partner at Benites, Vargas & Ugaz, and an associate in the litigation and arbitration practice at Payet, Rey, Cauvi, Pérez, and Rodrigo, Elías & Medrano. He also served as in-house counsel for Maple Gas, focusing his practice on providing legal services to the hydrocarbons sector.

Lawyer with an LL.M. in Dispute Resolution from Pepperdine University’s Straus Institute, with experience in strategic legal support, contract management and corporate governance. Currently Deputy Secretary-General of CAM AMCHAM, coordinating legal and finance teams, supporting senior leadership, risk management and operational efficiency. Experience in arbitration and mediation administration, contract negotiation and risk allocation, dispute consulting and Dispute Systems Design. Also develops conflict prevention and leadership training initiatives.

A graduate in law from the Pontifical Catholic University of Peru and an arbitrator at the Arbitration Centre of that institution. Holds a Master’s degree in International Trade Law from the University of Turin, in association with UNCITRAL.

Has over seven years’ experience in dispute resolution in areas such as trade, public procurement and administrative law.

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.

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, 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.

Judicial Mediator (TJSP – Court of Justice of the State of São Paulo) and Extrajudicial Mediator at some of Brazil’s leading chambers. Certified by the IMI – International Mediation Institute, the ICFML – Institute for the Certification and Training of Portuguese-speaking Mediators, and ODR Foundations Training. Facilitator. Arbitrator. Fellow of CIArb – Chartered Institute of Arbitrators (United Kingdom). Lawyer. Lecturer on undergraduate and postgraduate law courses. Author of legal books and articles. Master’s and Doctorate in Procedural Law from USP – University of São Paulo. Trained in mediation by Mediaras Mediaciones Privadas (ARG) and Algi Mediação. Trained in Negotiation by FGV – Fundação Getúlio Vargas. Specialist in Mediation of Complex Conflicts and in Negotiation through the PON – Program on Negotiation at Harvard Law School (USA). Trained and certified in Dispute Board by the DRBF – Dispute Resolution Board Foundation (USA). Member of the AASP – São Paulo Bar Association; the ABDEM – Brazilian Association of Energy and Environmental Law; the CBAr – Brazilian Arbitration Committee; the CEAPRO – Centre for Advanced Studies in Procedural Law; the DRBF – Dispute Resolution Board Foundation; the IASP – São Paulo Lawyers’ Institute; the IBDP – Brazilian Institute of Procedural Law; INSOL International; and the TMA – Turnaround Management Association Brazil. Full Member of the Consensual Solutions Committee of the OAB/SP – São Paulo Section of the Brazilian Bar Association.

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).

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

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.

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.

Lawyer at Laudelino Advogados, specialising in advisory work and arbitration in the areas of commercial contracts, company law and M&A, infrastructure, energy and oil & gas.

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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.

Advogado especializado em Direito Processual Internacional, com foco em Arbitragem

Lawyer, Partner at Marcato Advogados; Master’s in Civil Procedural Law from USP; Specialist in Arbitration from FGV; Continuing Education in Dispute Mediation at Harvard University; Fellow of CIArb; Counselor of AASP – Associação dos Advogados de São Paulo; Member of CBAr and its legislation, mediation, and equity committees; Acting as Arbitrator, including being listed as an arbitrator in various institutions (CAM-CCBC, Amcham, CAMARB, FGV, CAMAGRO, CMA-IE, CAMCA-OAB, and CAESP).

Carlos Elias Stefen holds a PhD in Procedural Law from the University of São Paulo and has over 15 years of experience in complex litigation and arbitration. He acts as counsel and arbitrator in domestic and international disputes involving corporate, commercial, and construction matters. He is listed as an arbitrator with several Brazilian arbitration institutions and has experience in proceedings before the ICC. He also teaches procedural law and arbitration at undergraduate and postgraduate levels and delivers practical training for legal and technical professionals.

OSCE RNA Arbitrator. Public Procurement Specialist. Solicitor and Partner at Perez Asesores & Consultores.

Senior Partner at Estudio Reyes Consultores, a lawyer recognised in Band 5 of Chambers Latin America 2026 and Global Chambers 2026, recommended by Legal 500 Latin America 2026 and Leaders League 2026, and an MCIArb arbitrator.

A lawyer qualified from the Pontifical Catholic University of Peru with over 20 years’ experience in public and private arbitration, holding a Master’s degree in Public Procurement Law from the University of Castilla-La Mancha, Spain; and a Master’s degree in Company Law from the Pontifical Catholic University of Peru; and with specialisations in Arbitration and Dispute Resolution Boards (JRDs), delivered by the Centre for Conflict Analysis and Resolution at the Pontifical Catholic University of Peru (PUCP), CEU San Pablo University in Madrid, Spain, and other institutions; as well as studies in investment arbitration and construction law at the American University Washington College of Law.

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.

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.