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Guled Yusuf



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Guled Yusuf



Guled is in Allen & Overy’s International Arbitration Group, and has extensive expertise in international commercial and investment treaty arbitration as well as public international law.

He has significant experience representing companies, governments and international organisations in institutional and ad hoc arbitral proceedings, including arbitrations under the ICC, LCIA, ICSID and UNCITRAL Rules. Guled also has experience across a range of sectors and regions, but has particular expertise in the energy and infrastructure sectors as well as disputes relating to the African continent.

He also regularly advises clients on a broad range of topics in international law, including international investment law, international trade law, treaty interpretation, border delimitation, international human rights law and sovereign immunity. 

In addition to his work as counsel and advocate, Guled is a member of the ICC International Court of Arbitration and the ICC Africa Commission. He was also appointed to the ICSID Panel of Conciliators by the Federal Republic of Somalia in 2021. Guled was previously the Chair of the Singapore International Arbitration Centre’s (SIAC) Users Council Committee for Africa, a member of the SIAC Users Council Executive Committee and a member of the Young SIAC Committee. He was also previously a member of the New York City Bar Association's Arbitration Committee.

For several years, Guled has been recognised as a key practitioner by Legal 500 for International Arbitration and Public International Law. Since 2019, he has been designated a “Rising Star” in Public International Law. He is recognised by clients as “a future leader in the field, standing out for his expertise in international law and international arbitration” and “an outstanding lawyer and a pleasure to work with” (Legal500, 2022). 

Guled has published extensively on the subjects of public international law and international arbitration, including co-authoring a chapter in “Building International Investment Law” (ICSID’s 50th Anniversary book), contributing two chapters to both editions of “Arbitration in Africa: A Practitioner’s Guide” and co-authoring articles in ICSID Review. He also serves on the peer review board of two leading arbitration journals: ICSID Review and the American Review of International Arbitration.

Guled also regularly speaks at international arbitration conferences organised by the world’s leading arbitral institutions, including ICC, ICSID, LCIA and SIAC. He has also lectured at several law schools, including Harvard Law School, Columbia Law School and NYU School of Law.

In addition to his experience in private practice, Guled previously represented an African State at the UN General Assembly and served as a legal adviser to the UN’s Food and Agriculture Organization.

Guled is a native English speaker, who is fluent in French and German.

Experience highlights

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Admitted as solicitor, England and Wales, 2012

Admitted to the bar, State of New York, USA, 2018


LL.B., Law with French Law (Hons), University of Warwick, 2008

LL.M., Columbia University (James Kent Scholar, Edwin Parker Prize), 2014

Published work

  • Contributing Author, “Fish Out of Water? Foreign Recognition and Enforcement of U.S. Class Arbitration Awards”, published in State of Arbitration – Essays in Honour of Professor George Bermann (Juris, 2022)
  • Co-Author, “Prohibition, Regulation or Laissez Faire? Policy Trade-Offs of Double-Hatting in Investment Treaty Arbitration”, published in Investment Treaty Arbitration and International Law (Juris, 2021)
  • Contributing Author, Arbitration in Africa: A Practitioner's Guide (Lise Bosman (ed.), Kluwer Law International, 2021)
  • Co-Author, “ICSID Arbitration after Achmea: the Beginning of the End or the End of the Beginning? - United Utilities (Tallinn) BV v Estonia”, ICSID Review (Winter/Spring 2020)
  • Author, “Bridging the Gap between Theory and Practice: Revisiting the Role of Restitution in Investment Treaty Arbitration”, African Yearbook of International Law (November 2018)
  • Co-Author, "Removing the Sword of Damocles: ICSID Denunciation under Articles 71 and 72 - Fábrica de Vidrios Los Andes, CA and Owens-Illinois de Venezuela, CA v Bolivarian Republic of Venezuela", ICSID Review (Spring 2018)
  • Co-Author, "Precedent & Jurisprudence Constante", published in Building International Investment Law: The First 50 Years of ICSID (Meg Kinnear et al. (ed.), Kluwer Law International, 2015)
  • Contributing Author, Arbitration in Africa: A Practitioner's Guide (Lise Bosman (ed.), Kluwer Law International, 2013)
  • Co-Author, "The End Times for Timbuktu?", The New York Times (31 July 2012)