Oscar Tutasaura Castellanos

Lawyer information

Practice Areas

Corporate Law; M&A; Insurance; Compliance and Internal Investigations; 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 lawyer from Universidad del Rosario, with a specialization in commercial law from Universidad de los Andes and a master’s degree in international legal studies from Georgetown University. He is admitted to Colombia and the State of New York. He is a member of the New York State Bar and the New York City Bar.