Ivo Waisberg

Regina C. Baraldi Bisson is a lawyer recognized by Best Lawyers in the practice areas of Civil Rights Law, Labor and Employment Law and Real Estate Law. Regina C. practices law in São Paulo, Brazil Best Lawyers has recognized Regina C. Baraldi Bisson since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Regina C. Baraldi Bisson is held by other lawyers.

Lawyer since 2006, Marcos Vinicius Costa has a great performance in front of the tax team, working in administrative or judicial litigation, liability administration, tax refund, elaboration of tax scenarios, tax advice and defenses in assessments. Marcos Costa represents companies in several tax demands. He specializes in constitutional law and tax law and provides tax legal advice for companies in various segments. In addition to his experience with litigation, Marcos also works in tax plan...

Caio Julius Bolina is a lawyer recognized by Best Lawyers in the practice area of Litigation. Caio Julius practices law in São Paulo, Brazil Best Lawyers has recognized Caio Julius Bolina since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Caio Julius Bolina is held by other lawyers.

Ulisses Penachio is a lawyer recognized by Best Lawyers in the practice area of Litigation. Ulisses practices law in São Paulo, Brazil Best Lawyers has recognized Ulisses Penachio since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ulisses Penachio is held by other lawyers.

Hamilton Dias de Souza is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Hamilton practices law in São Paulo, Brazil Best Lawyers has recognized Hamilton Dias de Souza since 2010. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Hamilton Dias de Souza is held by other lawyers.

Marina Gaensly Blattner holds a graduate and master’s degree in public law from the Universidade do Estado do Rio de Janeiro (UERJ) and a LL.M from the London School of Economics and Political Sciences (LSE). She was a consultant member of the National Commission for Constitutional Studies of the Federal Council of the OAB. She is also a member of the São Paulo Lawyers Institute (IASP).

Specialist in International Tax and Trade with articles published in Brazil and abroad, Ayres Moreira is an Alumnus of the Training Program in Policy and Trade at the Brazilian Embassy in Washington and former Professor of International Tax Law at the Pontifical Catholic University of Minas Gerais (PUC Minas) and at the Getúlio Vargas Foundation (FGV). Ayres Moreira is a frequent speaker in Seminars and Conferences in Brazil and abroad, a full member of the Tax Commission of the Brazil...

Zilma Aparecida S. Ribeiro, is responsible for the labour department of the firm, both in the litigation and in the advisory areas. She graduated in law from the Law School of the University of São Paulo from which she holds a Masters Degree. Ms. Ribeiro has over 30 years of experience working as a lawyer, both in-house and as a legal consultant. Ms. Ribeiro also completed a Specialization Course in Civil Procedure at the Law School of the University of São Paulo. She has been r...

Founding partner of Oliveira e Olivi and technical head of the tax area with vast experience and several distinctions for his excellent strategic capacity. He is recognised as one of the best tax lawyers by ITR World Tax 2025 and in the Oil & Gas sector by Análise Advocacia, important national and international publications. A lawyer since 2003 and founding partner of Oliveira e Olivi, Dr Gilberto Olivi specialises in tax law issues. With a law degree from the Toledo Teaching Insti...

Sylvio Fernando Paes de Barros Jr. is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation and Litigation. Sylvio Fernando practices law in São Paulo, Brazil Best Lawyers has recognized Sylvio Fernando Paes de Barros Jr. since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sylvio Fernando Paes de Barros Jr. is held b...