Ariane Ah "Ariane" Hyon Byun
About Ariane Ah Hyon Byun
Ariane Ah Hyon Byun is a lawyer based in São Paulo, BR and has been recognized in The Best Lawyers in Brazil™ since 2023. Ariane Ah Hyon Byun is recognized in the following practice area:
- São Paulo, Brazil
- Labor and Employment Law
Current Firm: CSMV Advogados
Location: São Paulo, BR
Nearby Lawyers
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.
Antonio Carlos Harada has broad experience in tax consulting, especially in tax, estate and succession planning, transnational transactions, corporate reorganizations, M&A, and corporate and social security legislation. He has extensive experience in tax and corporate structuring focused on the development of real estate transactions with shopping malls, real estate developments, real estate investment funds, “built to suit”, and securitization of receivables. He has acted in ...
Graduated from the Pontifical Catholic University of Rio de Janeiro and holds a Master’s degree (LL.M) from the University of Chicago Law School. She has over 25 years of experience in corporate law, particularly in M&A, corporate finance, financial transactions, corporate restructuring, strategic contracts, and corporate advisory
Pedro de Moura A. de Oliveira is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Pedro de Moura A., 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 Pedro de Moura A. 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 ...
Júlio de Oliveira has acted in many significant tax proceedings relating to direct and indirect taxes as well as taxes levied on the payroll, in addition to rendering consulting services to large domestic and international companies. He is part of several committees and associations made up of companies that seek to improve the Brazilian tax system. He holds a Master of Laws and a PhD in tax law from Pontifícia Universidade Católica de São Paulo (PUC/SP). He is a p...
Caio Julius Bolina is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Caio Julius, 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 Caio Julius is held by other top lawyers in the same geographic and legal practice area.
Ana Lúcia Pinke Ribeiro de Paiva is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law and Litigation. Ana Lúcia, 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 Ana Lúcia is held by other top lawyers in the same geographic and legal practice area.
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...
Luiz Antonio Varela Donelli is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law. Luiz Antonio Varela, 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 Luiz Antonio Varela 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