Nicholson y Cano

Mariana Guzian



(54 11) 4872 1662




Mariana has solid experience in corporate law, with outstanding performance advising domestic and foreign companies on issues related to commercial, corporate, foreign exchange, banking, finance and international law.

She has been involved in the structuring, negotiation and implementation of domestic and cross-border investments, including the drafting and negotiation of agreements with high level of complexity, such as the Loma Campana, Narambuena and El Orejano project loans. She has also participated in several project finance transactions, mainly in the infrastructure sector in Latin America with PPP projects and has been involved in several solar and wind farm projects.

Mariana worked at the Holland & Knight law firm offices in the US. She was a senior associate at Cárdenas law firm from 2005 through 2013, until her incorporation to Nicholson y Cano, after the merger of both firms.

Education and Recognitions


Lawyer. Facultad de Derecho y Ciencias Políticas, Pontificia Universidad Católica Argentina “Santa María de los Buenos Aires” (2000).

Pre-Master of Business Law. Universidad Austral (2000).

Magister in Finances. Universidad del CEMA (2001).

Mariana has attended seminars and other further training activities, such as:

  • New Civil and Commercial Code – Nicholson y Cano (Buenos Aires, 2015) – SPEAKER: “Contracts”.
  • Unconventional Hydrocarbons Trends in the Americas – Association of International Petroleum Negotiators (Buenos Aires, 2014) – SPEAKER: “The challenges of Developing World Class Resources”
  • AIPN 2014 Model Contracts Workshop – Association of International Petroleum Negotiators – (San Francisco, 2014)
  • International Encounter for Banking and Finance Law – Centro de Estudios de Derecho Economía y Política (Asunción del Paraguay, 2004)
  • First National Congress and International Finance Company – CPCECABA (2004).

Recognitions and Memberships

Second place in the 7th Pre-Master of Business Law (Profundización en la Problemática de la Empresa).

Member of the Buenos Aires Public Bar Association (Colegio Público de Abogados de la Capital Federal) and of the International Bar Association.

Relevant Experience

Advised YPF on its agreements with Chevron for the exploration and devoleopment of shale oil and shale gas in the Loma Campana and Narambuena areas, in the Vaca Muerta formation, in the Province of Neuquén.

Advised YPF on the Project loan and other agreements with Dow for the pilot Project and development of shale gas in the El Orejano área, in the in the Vaca Muerta formation, in the Province of Neuquén.

Advised Colombia’s Financiera de Desarrollo Nacional de Colombia as liquidity lender in several infrastructure Project financing, among them Pacífico 3, winner of Latin Finance and Latin Lawyer deal of the year 2016, and Alto Magdalena and Conexión Norte, winners of Latin Finance 2017 Best Local Currency Financing and Best Road Financing awards.

Advised Skanska in the sale of Skanska Argentina to the Pérez Companc group.

Advised Ally Financial Inc. in the sale of GMAC Compañía Financiera S.A. to Banco Patagonia.

Advised Cordial Microfinanzas and Tarjeta Automática (subsidiaries of Grupo Supervielle) in the negotation and execution of the loans granted by the Interamerican Development Bank and FMO for financing microcredits.