LAWYER PROFILE
Oscar Trelles

Oscar Trelles

Latin America 2026

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Chambers ranking badge

Ranked in 1 practice area

Contributions and articles

6 Articles, Press releases, highlights

About

Provided by Cuatrecasas

Practice Areas

• Corporate and M&A Disputes

• Venture Capital

• Funds

• Equity

• Real Estate and Town Planning

• Private Equity

• Corporate and M&A

• Corporate Governance and Compliance

Career

Oscar Trelles heads the Cuatrecasas M&A Practice in Latin America and coordinates the Private Equity Practice in the Lima office. He also specializes in financing and project finance. He has participated in some of the most sophisticated and important national and international transactions, including multijurisdictional transactions, in recent years.

Before joining Cuatrecasas, he worked in different international law firms in Lima and New York, including Curtis, Mallet - Prevost, Colt & Mosle and Simpson Thacher & Bartlett, where he participated in complex multijurisdictional transactions.

Professional Memberships

Oscar is a member of the New York and Lima bar associations.

Publications

He contributes to publications and writes legal articles for different specialized journals and other written media.

Personal

He lectures on M&A and project finance in the Master of Laws at the Pontificia Universidad Católica del Perú and in the International Financial Management Program at Universidad de Piura.

Work Highlights

Recently, he has led the following matters, among others:

-Minsur. He advised on the US$340 million sale of the Taboca mine in Brazil.

- Ashmore Renewables. He advised on the acquisition of 100% of the shares of Ergon Perú S.A.C. and Tre Perú S.A.C. from their shareholders Tozzi Green S.P.A. and Gardini 2002 S.R.L.

- Ignis Energy. He advised on the sale of three renewables projects: (i) the Algarrobo Project to Kallpa (180.6 MW wind project in Lambayeque, Peru), which has already been signed.

- Grupo Chema. He advised on the agreement to sell 100% of the shares of the companies that make up Grupo Chema.

Education

The Warthon School

Private Equity Program

2019

Universidad de Piura

International Financial Management Program (PAD)

2014

Harvard Law School

LL.M.

2007

Pontificia Universidad Católica del Perú

Bachelor of Laws (summa cum laude)

2004

Chambers Review

Provided by Chambers

Chambers Latin America

Corporate/M&A - Peru

Band 1
Band 1

Individual Editorial

Advancing to the top tier, respected partner Oscar Trelles is experienced in a broad array of cross-border and domestic corporate/M&A mandates such as complex sales and acquisitions. He is visible in a diverse range of sectors including agribusiness, energy, manufacturing and mining.

Strengths

Provided by Chambers

  • Oscar Trelles is second to none when it comes to M&A. He has a granular understanding of our industry and goes above and beyond to help us achieve our business goals.

    Corporate/M&AChambers Latin America
  • Oscar Trelles blends exceptional leadership with in-depth corporate and transactional expertise and unmatched responsiveness. His innovative and strategic approach makes him a key ally.

    Corporate/M&AChambers Latin America

Ranked Individuals at Cuatrecasas (61)

Chile

Colombia

Articles, Highlights and Press Releases

6 items provided by Cuatrecasas

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