Mariana Villegas Mendoza

Baker & McKenzie S.A.S.


Mariana is a senior associate in the Energy, Mining and Infrastructure practice group of Baker Mckenzie, and has also been a member of the mergers and acquisitions (M&A) practice. Mariana is the current leader of the Power (electricity) sub-practice, within the Energy, Mining and Infrastructure practice. In her exercise of the aforementioned role, Mariana has strengthened the business development of the practice in energy generation projects from non-conventional renewable sources, energy efficiency, energy storage in batteries, reliability mechanisms, among others.

Practice Focus

Mariana handles commercial, contractual, transactional, regulatory, energy and environmental matters in Colombia. She has advised multiple clients from the energy industry on how to do business in the country, including the development of generation projects based on renewable energy sources. She has formed and strengthened alliances with the Colombian Chamber of Energy (CCE), and with the energy business departments of some embassies in Colombia to promote business as part of strategic opportunities.

Corporate Responsibility

Mariana has provided pro bono assistance to a group of non-profit organizations composed by Fundación Corona, Fundación Bolívar Davivienda and Fundación Mario Santo Domingo, which intends to implement certain innovative social impact bonds schemes in Colombia. She has also rendered bono assistance to Las Páginas Verdes, an organization that publishes a directory listing “green” entities, and the Josephson Institute of Ethics, which promotes ethical commitment and practice.


  • Colombia (2012)


  • Pontificia Universidad Javeriana (M.Sc. in Energy and Sustainability) (2021)
  • Universidad Externado de Colombia (Post Graduate Studies in Energy, Mining and Oil and Gas) (2015)
  • University del Rosario (Law Degree) (2012)


  • English
  • Spanish

In 2011, she received the Germán Cavelier prize from Cavelier Abogados, a prestigious law firm in Colombia, for an essay titled, "El Tratado De Libre Comercio Entre Estados Unidos Y Colombia: La Diferencia De Alcances Jurídicos En Uno Y Otro País".