Andrew Hashim


Andrew's practice focuses on public and private international legal disputes, acting for a range of State and corporate clients in cross-border investment-treaty and commercial arbitrations, as well as in transnational litigation proceedings.

Andrew’s experience includes investment arbitrations before the International Centre for Settlement of Investment Disputes (ICSID) and under the UNCITRAL Rules, as well as in commercial arbitrations before the International Chamber of Commerce (ICC) and the London Court of International Arbitration (LCIA).

Andrew's experience in transnational litigation includes managing aircraft enforcement actions in various European jurisdictions (Norway, Sweden, Spain, Ireland, Denmark and Scotland), litigating in the United States and England, and advising on pending litigation in India.

Andrew has an active and expansive pro bono practice, appearing as an advocate in courts and tribunals on behalf of low-income clients. He has been a university lecturer in comparative law at the Université de Versailles (UVSQ) – Université Paris-Saclay and a part time staff associate at Columbia Law School. He was also previously a member of the New York City Bar Association's Arbitration Committee.

Andrew is a native English speaker, who also speaks Arabic and French.


Pro bono

Advising and representing clients in courts and tribunals as advocate.

Pro Bono highlights as lead advocate:


Litigated Cases

1. Represented a delivery driver in a small claims breach of contract case. Received judgement in favor of client.

2. Represented a store manager in an unfair dismissal and racial discrimination case against a large retailer. Acted to defend a strike out application by senior council for the respondent and later obtained a substantial settlement for client.

3. Represented a new mother who had been made redundant whist on maternity leave in a pregnancy and maternity discrimination case. Case resolved to client’s benefit.


Appellate Experience

1. Represented a client with a range of autoimmune diseases who was denied benefits by the UK Department for Works and Pensions. Following a loss at first instance the case was appealed and the client later prevailed on appeal and re-hearing.

2. Successfully defended an appeal brought by employers against a domestic worker. The domestic worker had obtained a judgment against the employers for their failure to pay the statutory minimum wage and holiday pay.

Published Work

  • Editorial Assistant, “Twilight Issues in International Arbitration: Latent Choice of Law Challenges”, Author Professor George Bermann (Wolters Kluwer, 2023)
  • Co-Author, “Awards and Peace: Arbitration of International Conflicts”, published in Pro-Arbitration Revisited, Co-Author Guled Yusuf (Juris, 2023)
  • Author, “The U.S. Foreign Sovereign Immunities Act of 1976: International Commercial Disputes and Exceptions to Sovereign Immunity”, published in State of Arbitration - Essays in Honour of Professor George Bermann (Juris, 2022)
  • Author, “Cyber Warfare and International Law: A Case for Rules Governing Invisible Warfare” (Columbia Journal of Transnational Law Blog Post, 2018)



Admitted: Bar of the State of New York, 2020

Admitted: United States District Court, Southern District of New York, 2020

Admitted: Bar of the Commonwealth of Massachusetts, 2020

Admitted: England & Wales, 2022


BA (International Honours), International Relations, College of William & Mary, 2015 (summa cum laude)

BA (International Honours), International Relations, University of St. Andrews, 2015 (First Class Honours)

BA (Hons), Law, University of Cambridge, 2017 (Senior Status)

Bar Professional Training Course (BPTC), London, 2018 (Hardwicke Entrance Award, Sir Thomas More Bursary)

LL.M., Columbia Law School, 2019 (James Kent Scholar, Edwin Parker Prize)

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.