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Latin America Guide 2023

Ranked in 1 Practice Areas
5
Corporate/M&A
7 Years Ranked
Ranked in Guides

About

Provided by Oscar Tutasaura Castellanos

Latin America

Practice Areas

Compliance and Internal Investigations - Corporate Law - Insurance - Mergers & Acquisitions - White-collar Crime

Career

Oscar Tutasaura is a partner at Posse Herrera Ruiz. His professional practice focuses on corporate law, mergers and acquisitions, and privatizations.

Oscar’s experience in mergers and acquisitions includes advising buyers, sellers and public entities in domestic, international acquisitions and privatizations in a number of industries such as energy, pharmaceutical, infrastructure, fast food, chemical, automotive, and chain stores. Oscar has extensive experience advising clients on cross-border mergers and acquisitions in the insurance industry.

Prior to joining Herrera Ruiz, he worked as an associate at a Colombian firm and at the New York offices of Sidley Austin, LL.P. Óscar is a professor of law in obligations at the Faculty of Jurisprudence of the Universidad del Rosario.

He is a member of the New York State Bar and the New York City Bar.

Professional Memberships

International Bar Association (IBA) - Meritas - Interlaw

Languages Spoken

Spanish - English

Education

Georgetown University

Master in International Legal Studies,

2004

Universidad de los Andes

Specialization in Commercial Law

2003

Universidad del Rosario

Lawyer

2002

Chambers Review

Provided by Chambers

Latin America

Corporate/M&A - Colombia
5
Band 5

Oscar Tutasaura Castellanos retains his position in the rankings after receiving positive endorsement from interviewees for his activity in Colombia's corporate market. A client says:"Oscar Tutasaura Castellanos has strong capabilities in legal matters and commercial issues."

Articles, highlights and press releases

1 item provided by Posse Herrera Ruiz

Discover other Lawyers at
Posse Herrera Ruiz

Provided by Chambers
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Band

Colombia

Banking & Finance

Mariana Posse
1
Mariana Posse
Head of Banking & Finance
1
Band 1
Jesús Albarrán
U
Jesús Albarrán
U
Up and Coming
Capital Markets

Mariana Posse
2
Mariana Posse
Head of Capital Markets
2
Band 2
Competition/Antitrust

Jorge de los Ríos
4
Jorge de los Ríos
Head of Competition/Antitrust
4
Band 4
Corporate/M&A

Jaime Herrera
1
Jaime Herrera
Head of Corporate/M&A
1
Band 1
Jaime Cubillos Porto
2
Jaime Cubillos Porto
2
Band 2
José Alejandro Torres
4
José Alejandro Torres
4
Band 4
Oscar Tutasaura Castellanos
5
Oscar Tutasaura Castellanos
5
Band 5
Gabriel Sánchez
U
Gabriel Sánchez
U
Up and Coming
Dispute Resolution

Daniel Posse
Daniel Posse
Head of Dispute Resolution
Star Individuals
Carolina Posada
2
Carolina Posada
Head of Dispute Resolution
2
Band 2
Alejandro Casas
Alejandro Casas
Associates to watch
Energy & Natural Resources

Álvaro José Rodríguez
1
Álvaro José Rodríguez
Head of Energy & Natural Resources
1
Band 1
Mariana Sánchez
3
Mariana Sánchez
3
Band 3
Energy & Natural Resources: Environment

Erika Serrano
Erika Serrano
Associates to watch
Energy & Natural Resources: Mining

Diana Salazar
Diana Salazar
Associates to watch
Intellectual Property

Helena Camargo Williamson
2
Helena Camargo Williamson
Head of Intellectual Property
2
Band 2
Annabelle Angarita
Annabelle Angarita
Associates to watch
Mónica Bonnett
Mónica Bonnett
Associates to watch
International Trade/WTO

Ramiro Araújo Segovia
1
Ramiro Araújo Segovia
1
Band 1
20 of 28 results

Key Sectors

Provided by Posse Herrera Ruiz

Insurance

Health and Life Sciences

Retail and Consumer

Industrials, Engineering and Manufacturing

Transport