He was a partner at Shearman & Sterling LLP, where he practiced for more than twelve years, focusing on disputes in the oil & gas sector or disputes related to the Middle East.

He has represented companies, states, and state-owned entities in more than 80 commercial and investment treaty matters, including numerous multibillion-dollar disputes involving novel questions of international law and geopolitical issues.

Acts as President, Sole arbitrator, or co-arbitrator in commercial and investment treaty arbitrations under the ICSID, UNCITRAL, ICC, LCIA, CRCICA and arbitrate AD rules.

He advises energy companies regarding their contractual portfolio and on how to manage potential liability and mitigate litigation risk through dispute-minded contract drafting and corporate structure optimization. He advises governments and State entities on the restructuring of their respective energy sectors.