Those who take care of your case

Founding Partner

José Guilherme Castro

José Guilherme is a founding partner of Castro & Chagas Advogados Associados. His professional path spans law, management and business—experiences that have shaped a legal practice focused on understanding complex contexts, negotiation and balancing different interests.

He earned his law degree from PUC Minas in 2005 and is currently pursuing further studies in climate litigation and a postgraduate program in Health Law, expanding his work into areas that address contemporary legal challenges.

During his legal practice, he has developed particular experience in large-scale litigation with an international dimension. In recent years, he has worked on disputes relating to socio-environmental disasters, connecting Brazilian and foreign legal teams, partner firms, clients and other stakeholders.

In this work, he has held leadership, coordination and institutional liaison roles, addressing highly complex legal, strategic and operational issues.

This experience has given him a practical understanding of how businesses operate and strengthened skills he brings to legal practice: negotiation, organization, analysis of competing interests and the development of lasting relationships of trust.

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Founding Partner

Guilherme Chagas

Guilherme is a founding partner of Castro & Chagas Advogados Associados. His practice focuses primarily on Banking, Health and Environmental Law, representing individuals in disputes against large corporations.

He earned his law degree from the Federal University of Minas Gerais (UFMG), holds a postgraduate qualification in Environmental and Mining Law from PUC Minas, and is pursuing postgraduate studies in Legal Operations, Artificial Intelligence and Legal Performance (PUCPR), Project Management (Getulio Vargas Foundation—FGV) and Banking Law (Verbo Jurídico).

Since 2019, he has worked on cross-border disputes related to environmental disasters in Brazil, focusing on legal consulting, the interpretation and cross-border adaptation of legal concepts, key-stakeholder relations, regulatory assessment, team coordination and the management of complex large-scale operations.

He also has extensive experience in legal management, workflow design, and applying technology and artificial intelligence to high-volume litigation.

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Senior Associate

Pedro Rolla

Pedro Rolla Neto is a lawyer working on cross-border litigation related to dam failures, advising foreign teams on Brazilian law and assisting clients in Brazil. He also has experience in civil, labor and criminal litigation and data protection.

He holds a law degree from PUC Minas and postgraduate qualifications in Environmental Law and Data Protection (Brazil's LGPD and the GDPR) from the Higher School of the Public Prosecutor's Office (FMP). He has extensive experience translating court decisions, pleadings, contracts and other legal documents.

He is a member of the OAB/MG Special Committee on Dams. He has provided voluntary legal assistance to the public and completed a postgraduate internship in criminal law.

Since January 2019, he has worked on international litigation arising from dam failures in Brazil.

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Associate

Thaís Perpétuo

Thaís practices in civil and commercial litigation, strategically handling court proceedings and out-of-court matters in Corporate, Banking, Real Estate and Family Law. She also drafts, reviews and negotiates contracts.

She earned her law degree from the Federal University of Juiz de Fora (UFJF) and holds a postgraduate qualification in Digital Law, Innovation Management and Intellectual Property from PUC Minas. She also has training in Business Intelligence.

Her work combines strategic insight, technical depth and commercial understanding to develop sound, efficient legal solutions aligned with each client's goals.

She handles highly complex matters, including claims connected with large-scale reparation programs. She also works on international disputes and proceedings, coordinating and monitoring legal issues across jurisdictions.

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Associate

Victor Cebola

Victor Bruno Lopes Cebola is a lawyer working in civil and criminal law and consumer matters in domestic and international disputes.

He earned his law degree from Vale do Rio Doce Law School (Fadivale) and completed the Starting with Legal Operations program.

He has worked on legal operations connected with international environmental litigation, including proceedings before the English courts.

He has experience in client service and relationship management, as well as in business and entrepreneurship, management, negotiation and commercial relations.

His background combines legal, business and international experience across a range of contexts and disputes.

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Legal Intern

João Alvarenga

João has experience in Environmental, Constitutional, Civil and Civil Procedure Law, Human Rights and LGBTQIA+ rights, Corporate Law and Labor Procedure, among other areas.

He is studying law at the State University of Rio de Janeiro (UERJ) and has four years of legal experience gained through professional internships.

He was nominated for the first edition of the Lumumba Award.

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Administrative Manager

Denise Garcia

Denise holds a law degree from PUC Minas and a postgraduate qualification in Women's Law. She leads the administrative management of Castro & Chagas.

Her career spans law, management, strategy, communications and institutional work. She co-founded a nationwide association dedicated to protecting the rights of women and children and served on its board during the 2023–25 term.

Her multidisciplinary experience supports integrated management and strengthens the firm's administrative and institutional processes. Her diverse background brings a broad, strategic and human perspective to management.

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