Noiana Marigo

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

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 & 2025), and the Lexology Client Choice Award for Mining in New York (2025). In 2025, she was also recognized as one of the top 500 Leading Global Litigators by Lawdragon.

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/

Member of the ICC International Arbitration Court and ex officio Member of the ICC Commission on Arbitration and ADR (2024-2027 mandate); Member of the Global Steering Committee of the ERE Pledge for equal representation of expert witnesses in international arbitration; Founding member of the ERA Pledge for equal representation of women in arbitration.

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.

MVP of the Year, International Arbitration

Law360

2018

National Women in Law Award for Thought-Leadership

National Women in Law

2018

Latina Leadership Award

Hispanic National Bar Foundation

2019

MCCA Rainmaker Award

Minority Corporate Counsel Association (MCCA)

2021

Commercial Arbitration Lawyer of the Year

Women In Business Law (WIBL)

2023

Commercial Arbitration Lawyer of the Year

Women in Business Law (WIBL)

2025

Lexology Client Choice Award for Mining in New York

Lexology Index Client Choice Guide

2025

500 Leading Global Litigators

Lawdragon

2025