Agustina Álvarez Olaizola
Image of Agustina Álvarez Olaizola

Agustina Álvarez Olaizola

Senior Associate

Email

Agustina.AlvarezOlaizola@aoshearman.com

Phone

+34 91 782 9877

Offices

Madrid

V-CARD
Agustina specializes in commercial and investment treaty arbitration

She has acted for a broad range of clients in disputes across multiple jurisdictions, under arbitration rules including ICSID, ICC, LCIA, SCC and UNCITRAL, and spanning sectors such as energy, oil and gas, mining, infrastructure and financial services.

Agustina has also advised at the pre‑contentious stage and during settlement negotiations in complex cross‑border litigation, and on matters relating to risk management, investment structuring, the setting aside and enforcement of awards, and the acquisition of contentious assets.

She has been recognised as a leading female arbitration lawyer in the 2025 Jus Connect Power List.

Expertise

Industries

Experience

Representative matters

  • More than 30 different international investors in 10 separate ICSID and UNCITRAL arbitration claims against the Kingdom of Spain under the Energy Charter Treaty relating to the regulation of the Spanish renewable energy sector and involving claims worth in excess of EUR3.5 billion.
  • An EU Member State in an UNCITRAL investment treaty arbitration relating to EU restrictive measures adopted in the context of the Russia–Ukraine conflict.
  • Ukraine in an SCC arbitration brought by VEB.RF concerning sanctions and other measures allegedly imposed on Russian financial entities.
  • The Republic of Peru in two related UNCITRAL arbitration proceedings against The Renco Group concerning a mining facility. 
  • China National Petroleum Corporation International (CNPCI) in an LCIA dispute with a Latin American state‑owned company concerning an oil refinery.
  • A Czech transport company in an ICC arbitration seated in Madrid regarding breaches of competition clauses.

Pro bono

  • Advising Gentium on a joint programme with Universidad Pontificia Comillas (ICADE) to prepare a memorandum on human rights violations against rural workers in Spain.
  • Advising the Human Rights Law Firm Association on the legal defense of displaced communities in Guatemala, recognised by the Cyrus R. Vance Center for International Justice with its Award for Pro Bono Excellence.

Speaking Engagements

  • Moderator, ICC YAF Event, “Building a career in international arbitration and surviving the attempt”, Buenos Aires, March 2023
  • Panelist, Latin American Arbitration Conference within the General Congress of the International Academy of Corporative Law, “The Evolution of Investment Standards – Towards More Demanding Regulations?”, Asunción, October 2002
  • Moderator, Bolivian Society of Arbitration, 10th International Arbitration Conference, “New trends in investment arbitration”, La Paz, junio 2022
  • Panelist, ICC YAF Event, on the occasion of the cross-examination moot, “Don’t forget! How many details can a fact witness remember?”, Webinar, November 2021
  • Moderator Arbitral Women, “Practical tips for mastering the stage: legal skills in arbitration”, Lima, September 2019

Qualifications

Admissions

Abogada, Federal Courts of Argentina, 2015

Courts


Academic

LL.M in International Dispute Settlementm MIDS, Geneva, 2014

Law Degree, National University of La Plata, Summa cum laude, 2012

Languages

Spanish, English, French
Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.