Mr Juan Guillermo Ruiz > Posse Herrera Ruiz > Bogota, Colombia > Lawyer Profile

Posse Herrera Ruiz
CRA 7 NO 71-52
Juan Guillermo Ruiz photo

Work Department

Tax Planning and International Commerce


Juan Guillermo Ruiz is a founding partner of Posse Herrera Ruiz. He heads the Tax Planning and International Commerce practice group. His practice focuses on taxation, principally centered on tax planning for cross-border transactions.


He also has ample experience in developing tax structures for M&A; project finance, public and private infrastructure bids, tax disputes, and in the creation of free trade zones.

He has worked for more than 25 years on tax structure and tax planning, wealth management, mergers and acquisitions, corporate restructurings and other major projects and transactions for several industries, including infrastructure, oil and gas, mining, energy, telecommunications, real estate, finance, retail, health care, forestry and agro-industrial projects.

Juan Guillermo is Latin American President of IFA, previously he was President for the Colombian chapter of the IFA and is also President of the Colombian Tax Law Institute (ICDT).

He has a JD from Universidad Javeriana, and a Masters degree in Socio Economic Sciences from the same university; he also has a degree in Tax Law from Universidad de la Sabana; and in Administrative Law, International Trade and Customs from Universidad del Rosario.


His native language is Spanish and he is fluent in English.


Juan Guillermo is a Member of the Board of Directors of the Colombian Tax Law Institute (ICDT), Board member and President for the Colombian Committee of IFA.


• Inalde – Universidad de la Sabana Program in business Management, 2004 Bogota, Colombia • Universidad del Rosario Master in Administrative Law, 1985 Bogota, Colombia • Pontificia Universidad Javeriana J.D., 1983 Bogota, Colombia

Lawyer Rankings

Colombia > International trade and customs

(Leading individuals)

Juan Guillermo Ruiz Posse Herrera Ruiz

Posse Herrera Ruiz not only possesses ‘excellent knowledge’, but also has a ‘very good rapport with government and associations’, which makes its work ‘more efficient’. Reputed practitioner Juan David Barbosa, ‘who is personally involved with matters’, leads an eight-strong practice which is currently advising automotive company Greenland in a five-year investigation initiated by local companies to ascertain whether the duties currently charged are appropriate. The team also assisted Repsol with a successful request for the reduction of a free trade zone applicable to some of its oil-and-gas exploration areas in the Caribbean. Other clients include Hasbro, Colombina, Zona Franca de Barranquilla and Diageo. Juan Guillermo Ruiz is also a key contact.

Colombia > Tax

(Leading individuals)

Juan Guillermo RuizPosse Herrera Ruiz

Clients describe Posse Herrera Ruiz’s tax practitioners as ‘experts in their field – practical and analytical’. Led by the noted Juan Guillermo Ruiz (‘deeply experienced’ and ‘a brilliant attorney’), the 26-strong practice is one of the largest in the country and includes four partners. Juan David Velasco, Juan Camilo de Bedout and senior associate Jaime Gómez are also key figures. Recent headline work saw the practice advise Grupo Sura on the corporate restructuring of its foreign subsidiaries in (among other locations) Chile, Spain, and Curaçao in the wake of business acquisitions. The team also advised Gas Natural Fenosa on the structuring of the sale of its distribution company in Colombia to Brookfield. Other highlights included advising Interconexión Eléctrica Colombia Panamá on the analysis and restructuring of the electric interconnection project intended to link South and Central America’s energy markets, which will permit Colombia to export power to the isthmus. Other clients include Termotasajero, Australis Partners, United Health Group, Cerro Matoso and Avintia.