Mateo

Mateo

Guevara-Ruales

Senior Associate

Tax

Mateo

Mateo is a member of our Tax Team.

Mateo concentrates his practice on tax and wealth protection. He advises companies, family groups and individuals on the design of tax-efficient structures, optimization of tax burdens and tax planning. He also gives advice on international taxation and compliance with material and formal obligations to tax administrations. He advises clients on tax assessment and penalty processes and challenges through administrative and court channels.

Mateo was awarded the prestigious Hauser Global Scholarship to complete his LL.M. at New York University (2024), making him the first Ecuadorian lawyer to receive this distinction. After completing his studies, he advised investment funds with a presence in the United States on tax planning and structuring, and compliance with their formal and material duties in the U.S.  

In 2022, Mateo had the honor of clerking under Ecuador's Constitutional Court Chief Justice, where he was entrusted with high-complexity cases that significantly contributed to the development of Ecuador's legal landscape.

Languages

Spanish

English

Admissions

Ecuador

Pérez Bustamante & Ponce (2025-present) 

Ernst & Young LLP (2024-2025)

Pérez Bustamante & Ponce (2022-2023) 

Constitutional Court of Ecuador, Advisor to the Constitutional Court Chief Justice (2022) 

Pérez Bustamante & Ponce (2019-2022) 

TABACARCEN S.A. Tababela Cargo Center, Compliance Assistant, Quito, Ecuador (2017-2018) 

New York University (NYU), New York, U.S.A. (Master of Laws – LL.M. in International Taxation, 2024).

Universidad Andina Simón Bolívar, Quito, Ecuador (Master of Laws, specializing in Tax Planning and International Taxation, 2022)  

Universidad San Francisco de Quito, Ecuador (Lawyer, 2019) 

Universidad San Francisco de Quito (2019)

Más Menos

Magna Cum Laude

New York University – NYU (2024)

Más Menos

Global Hauser Scholar

Ecuador Bar Association