EXECUTIVE COMMITEE

Svetlana Portman

Svetlana is an Associate at Debevoise & Plimpton in London. Her practice focuses on international arbitration and public international law. She represents private clients and states across multiple jurisdictions in investor-state and international commercial arbitrations governed by various substantive laws and conducted under the auspices of the major arbitral rules. She is familiar with disputes across a broad range of industries and sectors, with a particular focus on energy and natural resources disputes.

Svetlana Portman

Georg Stigelbauer

Georg is an Associate at Covington & Burling in London. Georg focuses on complex disputes spanning commercial and investment treaty arbitrations, enforcement proceedings, and commercial litigation in the English courts. The disputes he acts on are often multijurisdictional and involve a variety of industry sectors. Georg is English-German-Russian tri-lingual and has experience advising clients in all three languages.

Georg Stigelbauer

Katherine Ratcliffe

Katherine is a Barrister at Essex Court Chambers in London. She is regularly instructed as junior counsel in commercial and investment treaty arbitrations across a wide range of sectors (including infrastructure, commodities, manufacturing, taxation and financial) and under a range of arbitral rules. She also acts in arbitration-related court proceedings, specifically set-aside and enforcement proceedings, before the English courts.

Katherine Ratcliffe

Nusaybah Muti

Nusaybah is an Associate in the London office of Three Crowns. She has experience advising and representing companies and states in commercial and investment arbitrations across various sectors. Nusaybah has been involved in proceedings under various institutional rules, including the ICC, LCIA, and ICSID rules. Prior to joining Three Crowns, Nusaybah was a judicial clerk at the Supreme Court and the Court of Appeals of the Philippines.