Gabriel de Castro Dias
About Gabriel de Castro Dias
Gabriel de Castro Dias is a lawyer based in São Paulo, BR and has been recognized in Best Lawyers: Ones to Watch in Brazil™ since 2025. Gabriel de Castro Dias is recognized in the following practice area:
- São Paulo, Brazil
- Corporate and Mergers and Acquisitions Law
Current Firm: Machado, Meyer, Sendacz e Opice Advogados
Location: São Paulo, BR
Nearby Lawyers
André Blotta Laza is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. André Blotta, who practices law in São Paulo, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which André Blotta is held by other top lawyers in the same geographic and legal practice area.
Ulisses Penachio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Ulisses, who practices law in São Paulo, Brazil, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ulisses 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...
Ms. Renata Araujo has over 25 years of experience, with her career consistently focused on Labor Law. She leads the defense in labor litigation for major national and multinational companies across the energy, infrastructure, civil construction, aviation, textile, food, and paper and pulp sectors, among others. Ms. Araujo conducts strategic and preventive approaches for clients. She possesses vast expertise in monitoring corporate restructurings and judicial reorganizations, acting in the res...
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...
João Ruggero Lopez is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. João Ruggero, who practices law in São Paulo, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which João Ruggero is held by other top lawyers in the same geographic and legal practice area.
BRUNO LANNA PEIXOTO Partner Office: São Paulo Email: bpeixoto@araujopolicastro.com.br Dir. phone: (55) (11) 3049-5789 Areas of Practice Antitrust and Competition Education • Bachelor of Laws (LL.B.) from Universidade Federal de Minas Gerais Law School - UFMG (2001); • Master’s Degree in Economic Law from Universidade Federal de Minas Gerais - UFMG (2005); • Master of Laws (LL.M.) from the University of Chicago (2005). Research paper: “Horizontal Mergers and T...
Fernando Novis is a top attorney recognized by Best Lawyers in the practice areas of Arbitration and Litigation. Fernando, who practices law in Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fernando is held by other top lawyers in the same geographic and legal practice areas. Fernando has over 16 years' experience of representing Brazilian and foreign clients in Civil, Corporate, Commercial, Regulator...
Sylvio Fernando Paes de Barros Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Sylvio Fernando, 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 Sylvio Fernando is held by other top lawyers in the same geographic and legal practice area.
Mauro Takahashi Mori is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Mauro Takahashi, who practices law in São Paulo, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mauro Takahashi is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer