LAWYER PROFILE
Noiana Marigo

Noiana Marigo

Global 2026

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Ranked in 3 practice areas

About

Provided by Freshfields US LLP

Practice Areas

International Arbitration; Investor-State Arbitration; Energy; Mining; Telecommunications; Infrastructure; Financial services; Aviation and Airport Services; Sovereign Debt; Agriculture; and Food Production and Distribution.

Career

Noiana is a partner in Freshfields’ international arbitration group, Global Co-Head of International Arbitration and Co-Head of the firm’s Latin America practice. Her practice focuses on investor-state and commercial arbitrations across a variety of sectors such as energy, mining, telecommunications, infrastructure, financial services, aviation and airport services, sovereign debt, agriculture, and food production and distribution. Over the past 20 years, she has successfully led some of the most ground-breaking arbitration matters, collectively worth billions, and in the process, has quickly become the go-to partner for complex disputes in the Americas.

She is recognized by Chambers (Global, USA, and Latin America) and Lexology Index (formerly Who’s Who Legal) as one of the top practitioners in the field of international arbitration, as one of the leading lawyers in the United States by Lawdragon and one of Latin America's "Top 35 Female Lawyers" by Latinvex (2018-2024) for her achievements in international arbitration. She received the Law360 MVP Award for International Arbitration (2018), the National Women in Law Award for Thought-Leadership (2018), the Hispanic National Bar Foundation Latina Leadership Award (2019), the Minority Corporate Counsel Association (MCCA) Rainmaker Award (2021), the Women In Business Law (WIBL) Commercial Arbitration Lawyer of the Year Award (2023), and the Lexology Client Choice Award for Mining in New York (2025).

Noiana is civil and common law trained. She received her law degree with honors from the Buenos Aires University, her master’s degree with honors from the Université Paris I Panthéon, and her master’s degree in International Legal Studies from New York University School of Law. She is admitted to practice in New York and in Argentina. She is fluent in English, Spanish, and French, and is conversant in German.

For more information, visit https://www.freshfields.us/contacts/find-a-lawyer/m/marigo-noiana/

Professional Memberships

- Co-chair of the International Bar Association (IBA) Investment Arbitration Committee.

- Former Member of the International Council for Commercial Arbitration (ICCA) Drafting Committee on Protocols for Fair and Efficient Arbitration.

- International Bar Association (IBA) Recognition and Enforcement of Arbitral Awards Subcommittee.

- Steering Group of the IBA Guidelines and Rules Subcommittee.

- Member of the Academic Council of Arbitration Channel.

Publications

Noiana has authored and co-authored numerous publications on international arbitration, especially regarding arbitration in Latin America, and is a frequent speaker on this subject.

Chambers Review

Provided by Chambers

Chambers Global Guide

Arbitration (International) - Latin America - International Counsel

Band 1
Band 1

Individual Editorial

New York City-based outstanding international arbitration partner Noiana Marigo is highly skilled at representing investors in investment treaty disputes across Latin America.

International Arbitration: Counsel - USA

Band 2
Band 2

Individual Editorial
Noiana Marigo provides high quality advice to clients involved in both commercial and investment treaty arbitrations. She is active in a range of industries such as aviation, energy and telecommunication.

Arbitration (International) - Global Market Leaders

Band 4
Band 4

Individual Editorial

Noiana Marigo co-heads the firm's global international arbitration practice as well as the Latin America practice. She is qualified to practice in Buenos Aires and New York and she offers strong international disputes experience for a diverse international client base. She is also an experienced arbitrator and is highly regarded for her ability to handle investment treaty arbitrations across the USA and Latin America.

International Arbitration - USA

Foreign Expert
Foreign expert in Argentina

Individual Editorial
Noiana Marigo provides high quality advice to clients involved in both commercial and investment treaty arbitrations. She is active in a range of industries such as aviation, energy and telecommunication.Noiana Marigo provides high quality advice to clients involved in both commercial and investment treaty arbitrations. She is active in a range of industries such as aviation, energy and telecommunication.

Strengths

Provided by Chambers

  • Noiana Marigo is an exceptional professional who is always willing to provide her first-class legal advice, regardless of the level of complexity of the matter.

    Arbitration (International)Chambers Global Guide
  • Noiana Marigo's ability to identify strategic solutions and offer expert advice demonstrates not only her technical expertise but also her commitment to excellence.

    Arbitration (International)Chambers Global Guide
  • Noiana is a professional of great experience and excellent judgment.

    International Arbitration: CounselChambers Global Guide
  • Noiana is a highly experienced arbitration practitioner, with in-depth knowledge of the Latin American legal, political and economical complexities. She is very practical and clear in her responses.

    International Arbitration: CounselChambers Global Guide
  • Noiana brings together great qualities: she is a great person towards her team and clients, an example of a leader and an excellent lawyer.

    International Arbitration: CounselChambers Global Guide
  • Noiana is a very good counsel.

    Arbitration (International)Chambers Global Guide

Ranked Individuals at Freshfields US LLP (268)

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