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.

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.

Tonico is based in São Paulo and specialises in disputes involving construction law in general, corporate and commercial issues, as well as trade finance.  Tonico has a Master’s Degree from the Universidade de São Paulo and an MBA in Finance and Investor’s Relations from FIPECAFI.  His main hobby is dressage and show jumping.  He was a director of the riding school of the Sociedade Hípica Paulista for two consecutive terms.

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.

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.

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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.

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.

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.

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

Partner at MVGA Advogados – Madeira, Valentim & Gallardo Advogados

Advogado especializado em Direito Processual Internacional, com foco em Arbitragem

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.

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.

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.

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).

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.

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.

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.

Advogada e Mediadora. Head de resolução de conflitos da Paschoa Sociedade de Advogados. Mediadora certificada no Brasil e no Reino Unido. Bacharel em direito pela Fundação Armando Alvares Penteado (FAAP/SP). Pós-graduada em Direito Processual Civil pela Pontifícia Universidade Católica (PUC/SP). Mediadora formada pela Fundação Getúlio Vargas (FGV/SP). Accredited Mediator pela London School of Mediation (LSM). Membro Fellow do Chartered Institute of Arbitrators – FCIArb (Corporate Mediation).

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).

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.

Lawyer graduated from Pontifical Catholic University of Peru, with a Master degree in International Economic Law from the University of Warwick – England, specialized in International Law, National and International Arbitration and Protection of Foreign Investment. Currently with residence in Brazil.

Partner of the Departments of Arbitration & ADRs of the firm Wöss Partners S.C., based in Mexico and Washington DC and of the firm Braz Campos Advogados, with offices in São Paulo and Curitiba, Brazil.

Director of Arbitration of the Chamber of Mediation and Arbitration of Santa Catarina, south of
Brazil (CAMESC). Former Secretary General of the International Arbitration Center of the Lima
Chamber of Commerce (CCL), Peru. Experience as arbitrator in commercial, civil and public
procurement issues in infrastructure projects, in Peru and Brazil. Legal advisor to foreign
investors in international arbitrations before ICSID (Washington), ICC and GAFTA (London).

University Professor and Speaker of International Trade, National and International Arbitration
and Protection of Foreign Investments in Peruvian and Brazilian Universities.

Associate Editor for Brazil and Peru of Transnational Dispute Management (TDM) Online
Journal and President of the Committee on Public and Private International Law of the Inter-
American Bar Association (IABA), Washington DC.

Author of several articles related to International Arbitration and Foreign Investment in
specialized Law Journals

Mauricio Gomm Santos, FCIArb, brings 30 years of experience as a senior level Brazilian/U.S. international attorney admitted to practice in Brazil, New York, and Florida; in the latter as Foreign Legal Consultant. Mr. Gomm serves as counsel, arbitrator, and mediator in proceedings in a variety of fields and languages under the rules of the world’s major arbitral institutions as well as Ad-Hoc and cases under the UNCITRAL Arbitration Rules. Mr. Gomm participates as expert witness before national courts and arbitrations, seated in the United States, Brazil and other venues. He also provided academic expertise in the High-Level Meeting with USA Supreme Court Justices on international commercial arbitration hosted by the Organization of American States in several jurisdictions in the region. Mr. Gomm Santos was responsible for drafting the project of an academic institute focused on the study of international arbitration within the University of Miami School of Law.

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.

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.

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. 

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.

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.

Graduado em Direito pela PUC-MG; mestrado pela Loyola Law  School, Los Angeles/US; FCIArb Fellow Chartered Institute of Arbitrators; Prof. Assistente Direito Comercial PUC-SP; especialização em Gestão Executiva pela FDC/Kellogg School of Management, Chicago/US; especialização em Gestão Avançada pela FDC/INSEAD, Fontainebleau/FR; especialização em Desenvolvimento de Dirigentes PAEX – FDC; Programa de Desenvolvimento de Conselheiros – FDC

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

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.

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).

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.

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.

• 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.

More than 20 years devoted to the civil, commercial and corporate areas, with focus on local and international arbitration and complex litigation.  Significant experience on M&A transactions as well. Has also appeared as expert witness before international tribunals, and Arbitrator under various Arbitration Centers and rules.

Specialties: Dispute Resolution

PhD on commercial law from Universidade de São Paulo. LL.M. on International Economic Law at University of Cologne, Germany with Prof. Dr. Karl-Heinz Böckstiegel; JD from Universidade de São Paulo.

She has developed her career in law firms in Germany and Brazil working with/leading the Intellectual Property, Digital Law, Privacy and Data Protection, Dispute Resolution, M&A, and German Desk areas. Ranked at Chambers (Latin America and Global), Leaders League, Best Lawyers, Análise 500 Advocacia.

She is a Professor of Law at the Undergraduate and Postgraduate Courses at Facamp – Faculdades Campinas (lectures: Arbitration, Mediation, ADRs and Negotiation, Commercial Law, Intellectual Property, Information Technology, Privacy and Data Protection, Compliance). Guest lecturer in several courses – California Western School of Law, GVLaw, ESA/OAB, Inova/Unicamp, Embrapa.

She serves as arbitrator, mediator, and panelist for domain names in different institutions. Karin has a CIPP/E certification – Certified Information Privacy Professional – Europe by IAPP – International Association of Privacy Professionals and is a Fellow of the Chartered Institute for Arbitrators of London – FCIArb.

Publications: (1) International Transfer of Technology to Brazil (2010), Trends in Alternative Dispute Resolution Concerning Intellectual Property: A Brazilian Perspective (2012); Patent Litigation: Jurisdiction Comparisons – Brazil (2012); Smart trains: quo vadis? A Brief Analysis of Artificial Intelligence from the Perspective of Intellectual Property and Civil Liability (2018); Brazilian Data Protection Law could be efficient for the communications on Covid-19 (2020); Brazilian law Trends for Digital Governance, Fundamental Rights and Personal Data (2020).

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.