Our professionals

Our professionals


Alex Hatanaka

Alex Hatanaka


With extensive experience in commercial and civil litigation, Alex specializes in disputes related to financial and capital markets. He represents financial institutions, funds and multinationals, particularly in cross-border and complex commercial litigation, insolvency-related litigation, restructurings and class actions. Alex also assists with administrative proceedings before the Brazilian Securities Commission (CVM) and the Central Bank of Brazil. Prior to joining Mattos Filho, Alex served for nearly a decade in senior positions at Bank of America Merrill Lynch and Goldman Sachs, where he worked with judicial and regulatory disputes and made decisions regarding transactions. He has previously worked at Sidley Austin’s New York office and at Peters and Peters in London.

Alex is a member of the Turnaround Management Association (TMA) and the INSOL International and Banking Law Commission of the Brazilian Bar Association (OAB) – São Paulo Section.


Bachelor of Laws – Universidade de São Paulo (USP);

Bachelor of Business Administration – Fundação Getulio Vargas (FGV);

Master of Commercial Laws – Universidade de São Paulo (USP);

Master of Laws (LL.M.) – London School of Economics and Political Science (LSE).


Análise Advocacia 500 – Specialized Services (2018); Sugar and Alcohol (2022);

Benchmark Litigation – Arbitration (2018–2021). Commercial Transactions (2018 – 2021), Banking and financial services (2018– 2021);

Best Lawyers – Brazil: Arbitration and Mediation (2020–2021), Global Business: Arbitration and Mediation (2020–2022);

Chambers Brazil – Bankruptcy & Restructuring (2021–2022);

GRR – Names to Know in Brazil (2020);

Latin Lawyer 250 – Restructuring & insolvency (2023–2024);

The Legal 500 – Banking and Finance (2018–2019), Bankruptcy and Restructuring (2018).

Único. The Mattos Filho news portal

Authored publications

Mattos Filho in the media

With Alex Hatanaka
Global Restructuring Review

INSOL, San Diego: pitfalls and possibilities in LatAm DIP financings

Regulatory restraints on banks and antiquated insolvency frameworks are holding some Latin American countries back when it comes to debtor-in-possession financing, according to a panel of insolvency specialists at INSOL’s annual conference, but there is cause for optimism with new laws and proposed legislation creating friendlier environments in Brazil and Mexico.

Click here and read the article on Global Restructuring Review.

Areas of expertise

Consultor Jurídico

Ex-diretor jurídico do Merrill Lynch, Hatanaka vira sócio do Mattos Filho

​Ex-diretor jurídico do Merrill Lynch, Hatanaka vira sócio do Mattos Filho

Da redação

Alex Hatanaka é o novo sócio de Contencioso e Arbitragem do escritório Mattos Filho, Veiga Filho, Marrey Jr e Quiroga Advogados.

Ele atuará em processos judiciais e administrativos, arbitragens e negociações pré-litigiosas, com ênfase em conflitos de natureza empresarial e bancária. Hatanaka possui experiência tanto em resolução de disputas, quanto em operações nos mercados financeiro e de capitais.

O advogado veio do banco de investimentos Merrill Lynch, onde era diretor jurídico. Antes disso, ele era do concorrente Goldman Sachs. Hatanaka ainda tem passagens pelo escritório norte-americano Sidley Austin Brown & Wood LLP e pelo Machado, Meyer, Sendacz e Opice Advogados.

Areas of expertise

Stay in touch

Get first-hand access to legal analysis from our specialists in different sectors through texts and podcasts. Stay on top of the main issues that impact your business.