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Yas Banifatemi is a partner and Deputy practice leader in Shearman & Sterling’s International Arbitration Group and leads the firm’s Public International Law Practice. She is also a member of the Firm’s 9-member Policy Committee, and co-heads the firm’s Energy practice.

She is widely recognized as one of the most prominent international arbitration and public international law specialists worldwide. She advises and represents States, State-owned entities and companies on both public international law and international arbitration issues. She acts as counsel and arbitrator in arbitrations conducted pursuant to the ICSID, UNCITRAL, ICC, LCIA, SCC, CRCICA, DIS and Swiss Arbitration Rules, with particular focus on investment protection, oil & gas and general commercial matters.

Yas is a Vice-President of the ICC Court of Arbitration and a member of the LCIA Court of Arbitration. She also is a member of the ICSID Panel of Arbitrators, appointed by the Chairman of ICSID’s Administrative Council.

Yas has been repeatedly praised in all leading professional directories, which have described her as being “truly outstanding,” a “star performer,” a “brilliant lawyer with a sharp intellect,” an “excellent practitioner” and “one of the best technicians in the international investment arbitration field,” also having “a considerable presence in public international law.” Chambers Global notes that “Yas Banifatemi is emphatically described by clients as ‘an outstanding lawyer in every possible respect.’” Clients have also commented on the “clarity of her opinions,” her “real grasp of detail,” describing her as “extremely effective,” “incredibly impressive all round” and a “reliable and robust advocate” having a “thorough understanding of the law she practices.” Among the many professional rankings in which she features, she was praised in an article highlighting “The Best and the Brightest” 45 female lawyers under 45 worldwide, published in July 2011 by The American Lawyer.