Posse Herrera Ruiz

Noted for its ‘excellent knowledge, support, management, and availability’, Posse Herrera Ruiz’s energy and natural resources practice is equipped to advise on the full life cycle of a project, from bidding processes and financing transactions, through to project construction and secondary market activity. Primarily active in power-related work, with a focus on the renewable energy field, the team also frequently handles oil and gas-related issues for major domestic and multinational entities such as Anadarko Colombia Company and Hidrocarburos del Casanare. High-profile department co-head Alvaro José Rodríguez is sought after for his extensive experience across a wide range of energy, natural resources and environmental law; he recently advised several oil-and-gas companies on complex regulatory and transactional matters. Fellow co-head Mariana Sánchez specialises in representing power and oil-and-gas companies on a broad mix of regulatory issues, transactional work and project development; she recently advised EDF Renewables on regulatory and contractual matters regarding several solar photovoltaic projects. The group further draws on environmental law specialist Erika Serrano Rojas, who made partner in March 2024; and director Diana Salazar, whose practice spans energy and natural resources, along with insurance law. In November 2024, Juan Manuel Cuellar left to join GeoPark, while senior associate Pablo Mejía left in May 2025.