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Who's Who Legal
Who's Who Legal
Thought Leaders

Thought Leaders

Thought Leader

WWL Ranking: Thought Leader

Global Leader

Arbitration 2021

Professional Biography

WWL Ranking: Global Elite Thought Leader

Peers and clients say

"Yas is an excellent lawyer and an excellent advocate"
"Her arbitration work is simply outstanding!"


Yas Banifatemi is a partner and Shearman & Sterling’s Global International Arbitration Practice Group Leader. She also serves as Public International Law Team Leader and Lead Industry Coordinator for Energy.

Yas acts as both counsel and arbitrator. Her commercial arbitration experience includes matters related to the oil and gas and energy sectors, business combinations, and construction disputes. Her investment arbitration experience includes cases brought on behalf of investors and states.

Holding a PhD in public international law, she advises on matters involving law of treaties, state contracts, state responsibility, immunities of states and international organisations, international boundaries and law of the sea.

A Vice President of the ICC International Court of Arbitration, former member of the LCIA Court and member of the SIAC Court of Arbitration, she was also appointed to the ICSID panel of arbitrators by the Chairman of ICSID’s Administrative Council.

Yas has authored numerous publications on international arbitration and public international law. She acts as executive director and coordinator of the New York Convention Guide Project, a research project undertaken with UNCITRAL in relation to the UNCITRAL Secretariat Guide on the Convention on the Recognition and Enforcement of Arbitral Awards.

Yas teaches at Harvard Law School, Yale Law School and Panthéon-Sorbonne University. In 2019, she gave a course at The Hague Academy of International Law on the powers of the arbitrators. She is a founding member of the International Academy for Arbitration Law.

Yas is also actively engaged in a number of initiatives aimed at promoting diversity and inclusion in the legal profession and elsewhere. She speaks French, English and Farsi.

National Leader

WWL Ranking: Recommended
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