João Marcos Silveira

Luciana Arduin has over 20 years of experience, with a professional practice focused on labour and employment law. She is highly specialised in defending clients from the banking, civil construction, and telecommunications sectors in complex labour lawsuits, particularly those involving high-level executives. She holds an undergraduate degree in Law from Mackenzie Presbyterian University and a postgraduate degree from the Pontifical Catholic University of São Paulo (PUC-SP). Early in h...

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).

Mariana Tavares Antunes holds a bachelor’s degree in law from the Pontifical Catholic University of São Paulo (PUC-SP) and is a member of the São Paulo Lawyers Institute (IASP). She attended the Advanced Mediation Workshop: Mediating Complex Disputes, of the Harvard Negotiation Institute (HNI), in 2017.

Raphael Valentim is a partner with extensive expertise in Corporate, Corporate Governance and Compliance. He has more than fifteen years of experience participating in or leading business structuring projects involving foreign companies, corporate restructuring, shareholder agreements, corporate investigations, implementation of compliance programs and advisory services legal in business areas. He is a highly qualified and experienced professional with a successful track record in efficiently...

Tania Mara Ferreira is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Tania Mara practices law in São Paulo, Brazil Best Lawyers has recognized Tania Mara Ferreira 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 Tania Mara Ferreira is held by other lawyers.

Founding partner, Fernando Loeser is a tax specialist. He has a particular interest in litigation and acts on consultation matters. He covers the full spectrum of tax issues direct and indirect taxation and is frequently seen acting before the Superior Courts of Brazil. Fernando is well qualified to tackle complex litigation at judicial and administrative levels. He covers the full spectrum of tax issues, direct and indirect taxation and is frequently seen acting before the Superior Courts of...

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.

Specialist in Tax Litigation and Advisory, Fernando Westin has a robust background in leading tax litigation teams for both domestic and multinational companies. As a partner focused of the Tax Litigation team in São Paulo, Westin excels in administrative and judicial tax disputes, due diligence processes, and participation in amnesty and installment programs. Recognized as a Highly Recommended Lawyer by ITR World Tax, Highly Recommended by Chambers Brazil, and a Highlight in Best Lawy...

André Serrão holds Bachelor’s (1994) and Master’s (1999) degrees in Law from the Federal University of Brasília. He is the founder partner of Serrão Advogados and has recognized expertise in energy law, specifically assisting the pivotal players of the Brazilian power sector (generation, transmission, distribution and trading companies of electric energy) in key regulatory issues and disputes. He also has a very strong practice in supporting and advisin...

Eduardo Correa da Silva is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Eduardo practices law in São Paulo, Brazil Best Lawyers has recognized Eduardo Correa da Silva since 2024. 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 Eduardo Correa da Silva is held by other lawyers.