LAWYER PROFILE

Juan Guillermo Ruiz

Latin America 2026

Posse Herrera Ruiz

Ranked in 1 practice area

Tax

Colombia

18 years ranked

Contributions and articles

1 Articles, Press releases, highlights

About

Provided by Posse Herrera Ruiz

Latin America

Practice Areas

International Trade - Private Clients - Tax

Career

Juan Guillermo Ruiz is a partner at Posse Herrera Ruiz. He directs the department of tax planning, customs taxes and foreign trade. His work focuses on tax law, mainly on issues of tax structuring of local and international transactions, tax consulting, estate planning, tax litigation and transfer pricing.

He has extensive experience in the development of tax structures in mergers and acquisitions operations; in financing operations; in public and private tenders in infrastructure; tax litigation; and in the creation and operation of free zones.

He has worked for more than 25 years in the structuring of tax issues and tax planning; in the management of family assets; in company purchase and sale operations, in corporate reorganizations; and in transactions in multiple sectors, including infrastructure, oil and gas, mining, electricity, telecommunications, real estate; financial sector, retail, health, forestry and agro-industrial projects.

Juan Guillermo has been President of IFA for Latin America, of the Colombian Chapter of IFA, and of the Colombian Institute of Tax Law (ICDT).

Professional Memberships

International Bar Association (IBA) - Meritas - Interlaw

Chambers Review

Provided by Chambers

Chambers Latin America

Tax - Colombia

Band 1

Individual Editorial

Head of department Juan Guillermo Ruiz leads Posse Herrera Ruiz's tax practice. He offers specialised expertise and possesses extensive experience advising on the tax structuring of complex corporate transactions in Colombia.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Juan Guillermo Ruiz's seniority and in-depth knowledge is an invaluable support for decision-making and the level of sophistication he proved is very strong.
TaxChambers Latin America
Juan Guillermo Ruiz is one of the three most influential practitioner in this sector and is widely regarded as one of the country's leading tax experts.
TaxChambers Latin America