Lawyer specializing in environmental law, ESG and impact, climate change, energy transition, ethnic law and green business. Experience in law firms, NGOs, research groups and companies in Europe and Latin America, Guillermo currently serves as Head of the Environment and Sustainable Business Practice and co-head of the ESG and Impact Practice at Brigard Urrutia.

He provides legal advice to national and international clients on matters related to the sustainability of projects, works and activities, including the representation of clients in litigation and environmental sanctioning investigations, conducting socio-environmental due diligences, processing environmental administrative authorizations, among others.

Guillermo conducts his work in Spanish, Portuguese and English, and is fluent in German, and also serves as professor at several universities in Colombia. He is author of several publications on environmental law, renewable energy and sustainability. Also, Guillermo serves as an Officer of the IBA Environment, Safety and Health at Work Committee, Vice Chair of the ABA´s Section of Environment, Energy, and Resources’ (SEER) International Committee, representative for Colombia on the board of directors of the Global Association of Impact Lawyers GAIL, LATAM Chapter, co-founder and member of the board of directors of ALDAS and associate of the Environmental Law Institute - ELI.

J.D and Master´s in Law from the Law School of the Universidad de los Andes (Colombia), Guillermo holds an LL.M in Environmental and Energy Law from the Katholieke Universiteit Leuven – K.U Leuven (Belgium) as well as postgraduate degrees in Environmental Law from the Universidade Federal do Rio Grande do Sul - UFRGS (Brazil) and in Regulation of Electricity and Gas from the Universidad Externado de Colombia.

Bar Admissions
Colombian Bar

Education
*J.D, Universidad de los Andes, Colombia
*Masters in Law, Universidad de los Andes, Colombia
*LL.M. in Environmental and Energy Law, Katholieke Universiteit Leuven – K.U Leuven, Bélgica.
*Postgraduate degree in Environmental Law, Universidade Federal do Rio Grande do Sul – UFRGS, Brazil.
*Postgraduate degree in Electric Energy and Gas, Universidad Externado de Colombia, Colombia.

Professional Associations

• American Bar Association
• International Bar Association
  

Professional Activities and Experience
Brigard Urrutia´s director and co-head of the firm´s ESG and Impact Team , he joined the firm in August 2014. He worked as a law fellow of Liedekerke Wolters Waelbroek Krikpatrick in Brussels, Belgium, as well as researcher at the Center for International Environmental Law – CIEL in Geneva, Switzerland. Additionally, Guillermo served as legal advisor on international environmental law at the environmental boutique Trindade Lavratti - Direito Ambiental and was appointed as Technical Coordinator of a research project at the Institute “Law for a Green Planet” in Porto Alegre, Brazil.

• Ministry of Interior Makes Prevention Recommendations to Ethnic Groups

  By Guillermo Tejeiro |March 2020