Mariana Posse

Mariana Posse

Financial Law & Capital Markets



Phone: 57 - 1-3257300

Mariana Posse is a partner at Posse Herrera Ruiz, and leads the capital markets and finance practice group.

In matters related with banking and finance she has counseled multilateral credit agencies and leading American and European commercial banks in the financing of the major corporate groups in Colombia, in various sectors of the economy such as retail, telecommunications, mining, energy, oil and gas, infrastructure and manufacturing among others.

In capital markets Mariana has also acted as local counsel for foreign and local banks and local companies. She has been responsible for the structuring, drafting  and negotiation of bond and securities issued in the local markets and under Rule 144A Reg S markets, as well as IPOs, tender offers and private placements.

Additionally her practice area is responsible for regulatory matters and for obtaining the necessary permits from the pertinent authorities for the incorporation of financial institutions.

Mariana has a JD from Universidad Javeriana, where she also obtained and a Graduate Degree in Insurance Law. Her native language is Spanish and she is fluent in English.

Recent experience

  • Asesora legal de la Organización Terpel en su primera y segunda emisión de bonos en el mercado colombiano por $ 700,000 millones y $ 500,000 millones respectivamente.
  • Asesor legal de JP Morgan Chase Bank, NA en el financiamiento de US $ 150 millones a una compañía farmacéutica líder, de bancos colombianos extranjeros y locales en un préstamo sindicado, denominado en pesos colombianos y en dólares estadounidenses.
  • Legal advisor to Grupo de Inversiones Suramericana S.A. in the structuring and regulatory authorization of the issue and allocation program of ordinary bonds and commercial papers.
  • Legal advisor to Organizacion Terpel S.A., Proenergia Internacional S.A., Sociedad de Inversiones de Energia S.A., and Terpel del Centro de S.A. in their merger, where Organizacion Terpel S.A. was the surviving entity.
  • Legal advisor to Corpbanca in the acquisition of Banco Santander and its subsidiaries in Colombia.
  • Legal advisor to BNP Paribas, Citibank, Correval, Corporación Interamericana de Inversiones CII, Credit Suisse, Darby, Deustche Bank Securities and Scotiabank in credit structurings, including reserve based loans. Legal Advisor to JP Morgan Chase in the creation of a financial institution in Colombia.
  • Legal advisor to BNP Paribas in the establishment of a Colombian financial institution and a trust company.
  • Legal advisor to Banco de Crédito e Inversiones de Chile in the establishment of the Colombian representation office.
  • Legal advisor to Compañía de Petróleos de Chile COPEC S.A. in the acquisition of an indirect controlling stake in Organización Terpel S.A., with the largest gas station network in Colombia and with operations in other Latin American countries, and the listing of the company in the Bolsa de Valores de Colombia.
  • Legal advisor to four Colombian pension funds and Chilean foreign investors in the acquisition and financing of the Termotasajero coal-fired power generation facility.
  • Asesor legal de un sindicato de bancos internacionales liderado por ABN AMRO Bank NV en calidad de agente administrativo, en un préstamo de US $ 1,460 millones otorgado a Empresa de Energía de Bogotá SAESP, EEB (Colombia), para financiar la adquisición por parte de su subsidiaria de propiedad absoluta Transportadora de Gas del Interior SAESP, TGI, de los activos de transporte de gas natural de Ecogas. El préstamo original de US $ 1,460 millones fue asignado parcialmente por EEB a TGI.


  • Universidad Javeriana Estudios de Posgrado en Derecho de Seguros, 1984 Bogotá, Colombia.
  • Universidad Javeriana J.D., 1981 Bogotá, Colombia.

Practice Areas

  • Financial Law & Capital Markets
  • Insurance