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Brigard Urrutia

Work +57 1 346 2011
Bogota, Cali

Guillermo Tejeiro

Work (+57-1) 346 2011 Ext. 8762
Brigard Urrutia

Work Department

Renewable Energy and Energy Efficiency; Natural Resources and Environmental Law




Law graduate (J.D) and Master in Law from the Universidad de los Andes (Colombia), LL.M in Environmental and Energy Law from K.U Leuven (Belgium), Specialist in Environmental Law from UFRGS (Brazil), Specialist in Electricity and Gas Regulation from the University Externado de Colombia (Colombia).

Member of Brigard Urrutia since 2014, Mr. Tejeiro currently leads the Environment and Sustainability Practice within the team of Natural Resources and Environmental Law. He is also a member of the Infrastructure and Public Utilities team of the firm, where he advises clients on Renewable Energy and Energy Efficiency projects.

He has served as legal counsel, researcher and lecturer in matters related to environmental law and renewable energy in Colombia, Switzerland and Brazil, occupying various positions in the real sector, NGOs, research institutes and law firms. He is author of several publications in Colombia and abroad in environmental and renewable energy law, and is currently professor on sustainability matters within several universities across Colombia.


English, Portuguese and Spanish


Lawyer from Universidad de los Andes, he holds a master in Law from the same university. He also holds an LL.M. Programme in Environmental and Energy Law from Katholieke Universiteit Leuven – K.U Leuven  and a postgraduate degree in Environmental Law from Universidade Federal do Rio Grande do Sul – UFRGS and a postgraduate degree in Electric Energy and Gas from Universidad Externado de Colombia. 



Energy and natural resources

Within: Next generation lawyers

Guillermo Tejeiro - Brigard & Urrutia

Within: Energy and natural resources

Brigard & Urrutia offers a ‘very good service, with high quality and important expertise on environmental matters’. With particular expertise and experience in the mining sector, the six-strong lawyer practice is led by managing partner Carlos Umaña and senior partner Carlos Urrutia. Senior associate Guillermo Tejeiro is also highly thought of. The team advised Lhoist Colombia regarding a change of local territorial planning and its impact on the company’s development activities, including the defence and representation of its mining titles and rights, and obtaining environmental permits before several administrative authorities. Highlights included advising Copperbelt Minerals in the search for mining projects and the acquisition of mining concessions in Colombia. Generarco, Armena Refinery USA and Orion Mine Finance are also on the client roster.

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Within: Projects

Brigard & Urrutia is recognized for providing legal advice to both national and international banks and investors in the development of complex and breakthrough infrastructure projects. Carlos Umaña, Manuel Quinche, Carlos Urrutia and Carlos Fradique-Méndez co-lead the 25-strong practice, which acted as local counsel to the lenders on the Concesión Autopista Conexión Pacífico 2 toll-road project, comprising the development, design, construction, improvement, rehabilitation, operation, and maintenance of the toll-road and its ancillary facilities; the advice included the structuring of the local security interest package and the review, drafting and negotiation of the Colombian law documents. Other highlights in 2017 included advising the Departamento Nacional de Planeación with the structuring of a $266m public private partnership (PPP) for the construction and maintenance of educational infrastructure in the cities of Soacha and Ibagué. Itaú Corpbanca, Goldman Sachs, International Development Bank, Credit Suisse and BBVA are among the team’s clients. Infrastructure and public utilities group director Claudia Navarro and associate Guillermo Tejeiro are also highlighted.

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