Beatriz Seixas
About Beatriz Seixas
Beatriz Seixas is a lawyer based in São Paulo, BR and has been recognized in The Best Lawyers in Brazil™ since 2025. Beatriz Seixas is recognized in the following practice area:
- São Paulo, Brazil
- Corporate and M&A Law
Current Firm: Demarest Advogados
Location: São Paulo, BR
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
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...
Fabiana Fittipaldi Morade is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Fabiana, who practices law in São Paulo, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabiana is held by other top lawyers in the same geographic and legal practice area.
Odel Antun is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Criminal Law. Odel, who practices law in São Paulo, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Odel is held by other top lawyers in the same geographic and legal practice area.
Mário Luiz Oliveira da Costa is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Mário Luiz, who practices law in São Paulo, Brazil, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mário Luiz is held by other top lawyers in the same geographic and legal practice area.
Head of the M&A, Banking and Services and Financial Transactions. Marcela graduated originally in Law in Public Business. 29 years of experience inclusive at golden circle law firms (both Brazilian and international), investment banks (in the front office, law department and as Compliance Officer ) and as head of the Law Department of one of the most efficent sustainable energy and alchool companies, with more than R$22 billion in debt transactions (debentures, LCIs, CRIs, notes, private ...
Mariana Negri Logiodice holds a bachelor’s degree from the Mackenzie Presbyterian University and a graduate degree in Civil Procedural Law from the Pontifical Catholic University of São Paulo (PUC-SP), with additional training in financial accounting from the Getúlio Vargas Foundation (FGV). Mariana is an associate attorney at Wald, Antunes, Vita e Blattner Advogados with over 15 years of experience in restructuring, insolvency and civil litigation. She worked in several s...
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.
José Mauricio Machado is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. José Mauricio, who practices law in São Paulo, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José Mauricio is held by other top lawyers in the same geographic and legal practice area.
Mariana is the Managing Partner and Head of Corporate and M&A at Leite, Tosto e Barros Advogados, bringing over two decades of experience in Corporate Law, Mergers & Acquisitions, Governance, Compliance, and Data Protection. As Managing Partner, she leads the firm’s strategic direction and ensures operational excellence across finance, IT, marketing, and administration—combining leadership vision with technical and business precision. As Head of Corporate and M&A, Mari...
Rodrigo Quadrante is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law. Rodrigo, who practices law in São Paulo, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rodrigo is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
When to Get a Lawyer for Work Injury
by Bryan Driscoll
Understanding your rights and navigating the complexity of workers’ compensation claims.