Ms Luisa Nuñez > Claro & Cia. > Santiago, Chile > Lawyer Profile

Claro & Cia.
CÓD POSTAL 755 0177
Luisa Nuñez photo

Work Department

Banking and Finance, Project Finance, Mergers and Acquisitions, Business Organizations.
Energy, Infrastructure and Transportation, Financial Services and Fintech.




Luisa Núñez has experience in Corporate and Financing areas, Corporate matters, Cross-border Transactions involving finance transactions (both corporate and project finance), Capital Markets, Mergers and Acquisitions and Joint-ventures.

She has worked extensively in projects involving regulatory authorities in the Chilean securities and public works concessions areas. She has represented a range of clients including multinational corporations, banks, financial advisers and monoline insurers.

Ms. Núñez is the titular professor of the Financing and Derivative Transactions course in the Master in Business Law at the Law School of the Adolfo Ibáñez University.

From the year 2005 to 2006 she pursued an LL.M. degree at Columbia Law School, which included a Project Finance course from the MBA Program at Columbia Business School.

During the years 2006 and 2007 she worked as a foreign intern with the Project Finance Team at Debevoise & Plimpton, LLP, New York office.

She joined Claro & Cia. in 1999 and became partner in 2011.


Spanish and English.


LL.M., University of Columbia Law School, 2006.

J.D., Adolfo Ibáñez University, 1999. Recipient of The Adolfo Ibáñez University Best Grade Average Awards, 1993, 1996 and 1997.

Valparaíso Bar Association Awards, 1997.

Highest GPA of The Law School, during 1993 and 1996.

Highest GPA of the class, 1992 to 1996.

Lawyer Rankings

Chile > Capital markets

Acting for issuers, financiers, initial purchasers, selling shareholders, and institutional and individual investors, Claro & Cia. houses a go-to practice for high-stakes domestic and international securities deals, including public and private offerings. The team’s scope of expertise ranges from IPOs, project-related bond issuances, high-yield and investment-grade debt and equity offerings, to listings on stock exchanges, exchange offers, offers for share acquisitions and debt securities, and hybrid securities. The department features several widely-respected partners, namely: Rodrigo Ochagavía, whose expertise covers the energy, mining, banking and insurance sectors; José Luis Ambrosy, an expert in capital markets-related projects involving the Chilean authorities; and Felipe Larraín, who is particularly focused on deals with foreign counterparties. Luisa Núñez and Juan José León are additional highly-rated capital markets’ transactions partners, while Cristián Lagos is an experienced counsel. Nicolás Aspillaga and María Jesús Argandoña are the associates to note.

Chile > Projects and infrastructure

Claro & Cia.’s large project finance and development practice has an enviable market reputation for its energy and infrastructure sector experience; more generally, its expertise ranges from project financing, development and construction issues, to operations, acquisitions, sales, and infrastructure-related public concessions. The firm’s broad offering also covers greenfield and brownfield projects, along with power plants, transmission lines and substations. It additionally houses experts in engineering, procurement and construction (EPC), and operation and maintenance (O&M), agreements. The department’s principal figures are Rodrigo Ochagavía, who acts for energy sector-related generation, transmission and distribution companies; project finance specialists Jorge Martín and José María Eyzaguirre F; and José Luis Ambrosy and Luisa Núñez, whose broad practices take in advice on projects involving public works-related concessions in Chile. Also noted, counsel Patricio Smart‘s broad practice takes in EPC, construction contracts and disputes, energy and real estate matters. Former partner Ariel Mihovilovic left the firm in February 2023 to become a candidate for Chile’s Constitutional Council.

Chile > Energy and natural resources > Electricity and hydrocarbons

Full-service market stalwart Claro & Cia. is consistently mandated on high-stakes energy projects, with the firm’s sizeable team covering development, construction, acquisition, sale and financing aspects. Its track record incorporates hydro, wind and solar power plants, liquified gas terminals, gas plants, and transmission lines and sub-stations. Other areas of strength include regulatory work and energy sector-related litigation and arbitration. The practice’s principal figures are Rodrigo Ochagavía, who acts for generators, and transmission and distribution companies; and corporate finance, capital markets, international finance and M&A expert, José Luis Ambrosy. Also integral to the firm’s offering are experienced partners Luisa Núñez and José María Eyzaguirre F. Former partner Ariel Mihovilovic  left the firm in February 2023 to become a candidate for Chile’s Constitutional Council-Region of Magallanes and Chilean Antartic.