Thomaz Bastos, Waisberg and Kurzweil Advogados > Sao Paulo, Brazil > Firm Profile

Thomaz Bastos, Waisberg and Kurzweil Advogados

Brazil > Restructuring and insolvency Tier 1

With a ‘highly qualified and senior team’, Thomaz Bastos, Waisberg and Kurzweil Advogados is ‘certainly an obvious choice when it comes to restructuring and insolvency’. The boutique firm is praised for its ‘competence, business and strategic vision’, particularly for debtor-side mandates, where the lawyers have experience in some of the largest and most complex cases to hit the market. The team also advises creditors and investors, and regularly assists with distressed M&A, DIP financings and cross-border restructurings. The firm’s lead partners include the versatile and extremely well-regarded practice heads Bruno Kurzweil de Oliveira, Joel Luís Thomaz Bastos and Ivo Waisberg, a ‘reference and leader for complex restructuring and insolvency cases’. Other names to note in the department include Adriana Maria Cruz Dias De Oliveira, Herbert Morgenstern Kugler and Gilberto Gornati.

Practice head(s):

Joel Luís Thomaz Bastos; Ivo Waisberg; Bruno Kurzweil de Oliveira


‘TWK is certainly an obvious choice when it comes to restructuring and insolvency. It has a highly qualified and senior team.’

‘Joel Luis Thomaz Bastos stands out for his oratory and intelligence.’

‘Ivo Waisberg is a remarkable lawyer and certainly one of the notable lawyers of the practice in Brazil.’

‘Competence, business and strategic vision, experience of its partners in the subject, make the difference at this firm.’

‘Ivo Waisberg is a reference and leader for complex restructuring and insolvency cases.’

Key clients

Orizon Meio Ambiente

Proton Energy/Prisma Capital

Investimentos e Participações em Infraestrutura – Invepar

USJ – Açúcar e Álcool

Green Way I Fundo de Investimentos em Direitos Creditórios Não Padronizado

Amerra Group

Bambuí Group

Moneda Funds

Capital Funds

Pimco Funds

Golden Tree Asset Management

Saraiva e Siciliano

Itaiquara Group

Agropecuária Nova Vida

Abengoa Group

Vista Alegre Group

Heber Participações

Clealco – Açúcar e Álcool

Banco BTG Pactual

Maksoud Hotels

4Asset Fundo de Investimento

Oceanair Linhas Aéreas

Work highlights

  • Represented Heber Participações and several affiliated entities in the group’s consolidated restructuring plan.
  • Advising Oceanair Linhas Aéreas on its judicial liquidation procedure.
  • Representing USJ – Açúcar e Álcool in its judicial restructuring, involving Chapter 15 proceedings in the US.

Brazil > Dispute Resolution: Litigation Tier 7

With a strong reputation in the insolvency and restructuring market, Thomaz Bastos, Waisberg and Kurzweil Advogados has a strong track record in related contentious matters, including judicial reorganisations and debt recovery. Administrative litigation and judicial cases involving M&A transactions and capital markets are other notable areas of practice for the group, which is well positioned to represent clients before the Superior Courts in Brazil as well as federal and state appellate courts. The department is under the joint leadership of three practitioners: Ivo Waisberg, who focuses on litigation and arbitration; Joel Luís Thomaz Bastos, whose areas of expertise cover IP disputes, civil liability, consumer and electoral law; and Ricardo Pomeranc Matsumoto, a name to note for banking litigation. Bárbara Pessoa Ramos advises on civil litigation, including contractual and commercial disputes.

Practice head(s):

Ivo Waisberg; Joel Luís Thomaz Bastos; Ricardo Pomeranc Matsumoto


‘Team is really dedicated to the client. Intelligent and accessible partners.’

Key clients

Grupo PIBB (Manhattan)

Latache Capital

Prisma Capital


Braswey Indústria e Comércio

Grupo Aralco

Grupo Energy

Bonasa Alimentos

Grupo Omar Maksoud

Terra Santa Agro

MGC Capital

Work highlights

  • Acted for Smiles Fidelidade in a case involving a commercial agreement with Gol Linhas Aéreas.
  • Assisted LSF10 Brazil US Holdings in the filing of a claim concerning registering the transfer of controlling shares in the context of a hostile takeover.
  • Represented Heber Participações in a case arising from the termination of a commercial agreement.

Brazil > Dispute Resolution: Arbitration

Thomaz Bastos, Waisberg and Kurzweil Advogados, which is best known for its capabilities in restructuring and insolvency matters, also fields a dedicated arbitration practice focused on contractual, corporate and commercial disputes headed by Ivo Waisberg and Ricardo Pomeranc Matsumoto.

Thomaz Bastos, Waisberg, Kurzweil Advogados is a legal boutique firm, specializing in debt restructuring and insolvency, complex litigation and arbitration, and corporate and financial transactions. Formed by the association among partners Joel Luís Thomaz Bastos, Ivo Waisberg and Bruno Kurzweil, and a remarkable and multidisciplinary team, the firm has acted in the most important and sophisticated insolvency cases in Brazil, always seeking suitable solutions for its clients.

Opened in October 2016, the firm handles in- and out-of-court restructurings, representing clients in litigation and arbitration. The partners of the firm have led more than 70 debt restructuring procedures or negotiations.

TWK has been recognized by Chamber and Partners (band 1), Leaders League (leading 1), Legal 500 (tier 1), in addition to ranking in the top tiers of numerous national publications.

Practice areas
Restructuring, bankruptcy, and insolvency: As one of the few prominent law firms that represent both debtors and creditors, as well as investors in insolvency and debt restructuring cases, the firm provides professional advice to its clients in all aspects: from the initial discussions and decisions on the strategy to be adopted in each case to the actual preparation and pursuit of the legal steps required to implement it.

Complex litigation and arbitration: The firm advises companies and individuals in matters concerning highly complex preventive, litigation and arbitration matters involving several different fields of business and civil law.

Restructuring, Bankruptcy, and Insolvency Joel Luís Thomaz
Restructuring, Bankruptcy, and Insolvency, Arbitration Ivo
Restructuring, Bankruptcy, and Insolvency Bruno Kurzweil de
Restructuring, Bankruptcy, and Insolvency Gilberto
Restructuring, Bankruptcy, and Insolvency Herbert Morgenstern
Complex Litigation and Arbitration Ricardo Pomeranc
Restructuring, Bankruptcy, and Insolvency Adriana Maria Cruz Dias de
Complex Litigation and Arbitration Carlos Teixeira Leite
Complex Litigation Bárbara Pessoa
Restructuring, Bankruptcy, and Insolvency Lucas Rodrigues do
Other lawyers : 46
Total staff : 73
Contacts : 10