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Portrait of Álvaro Josué Yáñez

Álvaro Josué Yáñez


CMS Rodríguez-Azuero
Calle 75 No.​ 3-53
Languages Spanish, English

Álvaro Josué is Partner of the firm and co-leads the Energy & Climate Change team. He is a lawyer from Universidad del Rosario and holds a Master’s degree in Corporate Law from Instituto de Empresa, Madrid, Spain. He has more than 20 years of experience advising projects related to the energy sector, in the mining, oil and gas and electrical energy subsectors.

His support to the projects ranges from the incorporation of the companies in the country, the awarding of the respective contracts, permits and licenses, and the legal support for their operational maturity. Álvaro has also been in charge of drafting and negotiating agreements to acquire companies or equity participations in hydrocarbon producing interests in Colombia, and associated due diligence reviews, as well as acquisition agreements (such as earn-in and farm-in agreements) and joint venture agreements (including joint operating agreements (JOAs) and production sharing contracts). He also has been in charge of the drafting and negotiation of energy and petroleum infrastructure related agreements, including EPCs and BOOMTs amongst others.

For 8 years, he was Senior legal counsel of the largest private hydrocarbon operator in Colombia, in charge of the legal structuring of important projects that led the company to exceed 15,000 barrels of oil equivalent (BOPD equivalents) and to operate more than 310,000 equivalent BOPD.

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Relevant experience

  • 2021-present – Partner, CMS Rodríguez-Azuero, Bogotá, Colombia
  • 2017-2021 – Managing Partner, Yáñez & Asociados, Bogotá, Colombia
  • 2010-2017 – Legal Manager, Pacific Rubiales Energy Corp, Bogotá, Colombia
  • 2009-2010 – Legal Manager of Contracts and Special Projects, Pacific Rubiales Energy Corp, Bogotá, Colombia
  • 2003-2009 – Partner, Yáñez & Asociados, Bogotá, Colombia
  • 2001-2003 – Lawyer, Arrieta, Mantilla & Asociados, Bogotá, Colombia
  • 2000-2001 – Legal Assistant to the National Presidencyl, Cámara Colombiana de la Construcción – CAMACOL, Bogotá,Colombia


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Memberships & Roles

  • Former Member of the Board of Directors of Transportadora del Meta
  • Director for Khiron Life Sciences Corp
  • Member of the Board of Directors of Momentous Capital Corp


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Awards & Rankings

  • Legal 500 Latin America 2021 recognition in the area of Energy & Natural Resources
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  • Author, “Strategic Alliances, a path during the crisis” Bogotá Chamber of Commerce, 1999


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  • 2004 – Master’s degree in Corporate Law, Instituto de Empresa, Madrid, Spain
  • 2000 – Lawyer, Universidad Colegio Mayor de Nuestra Señora del Rosario, Bogotá, Colombia


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En­ergy Trans­ition Law - Main as­pects and reg­u­lat­ory de­vel­op­ments
On Ju­ly 10th, 2021 the Con­gress of the Re­pub­lic of Colom­bia en­acted Law 2099 of 2021 (the "En­ergy Trans­ition Law"), whereby spe­cif­ic art­icles of Laws 56 of 1981, 142 of 1994, 143 of 1994, and 1715 of...