Viren Mascarenhas is a partner in King & Spalding’s New York office and is a member of the International Arbitration Practice Group.  He is a specialist in public international law and international arbitration, focusing on both investment treaty arbitration and international commercial arbitration.

He has been recognized as a “Rising Star” by the New York Law Journal for attorneys under 40 practicing in New York (2014); nationwide in the United States in energy disputes by Law360 (2015); in international law and alternative dispute resolution by New York Super Lawyers (2015 to 2018); and was recently named one of Latinvex’s Latin America’s Top 50 Rising Stars (2018).  Legal500 lists him as a “Next Generation” lawyer in the field of international arbitration.  He was named a Finalist for the American Bar Association’s National Outstanding Young Lawyer Award in 2016. He was also named as a Future Leader in Who’s Who Legal: Arbitration 2017, an inaugural edition focused on selecting outstanding attorneys aged 45 or under, as well as Who’s Who Legal: Arbitration 2018.

Viren also has substantial experience in public international law, having advised or represented states, international organizations, non-governmental organizations, and individuals on a wide range of matters, including maritime and territorial delimitation, the law of immunities, compliance with treaty obligations, international human rights law and international criminal law. He frequently represents multinational companies on aspects of compliance with human rights.

Viren is an Adjunct Professor at Columbia Law School, where he currently teaches an upper-level seminar on International Commercial Arbitration. Prior to joining King & Spalding, Viren served as a law clerk to H.E. President Rosalyn Higgins at the International Court of Justice, and as a Legal Officer at the Special Court for Sierra Leone, a hybrid war crimes tribunal based in Freetown, Sierra Leone. He previously was a member of the arbitration group at Freshfields Bruckhaus Deringer LLP and the litigation group at Skadden, Arps, Slate, Meagher & Flom LLP.  He is very active in the international law community. He is on the Steering Committee of the CPR Institute for Dispute Resolution Y-ADR Group,  the Global Executive Board of the International Center for Dispute Resolution’s Young & International Group, and has held various leadership roles in the American Bar Association Section of International Law.

Viren received his J.D. from Columbia Law School, where he was a Kent Scholar, and his LL.M. from the University of London with Distinction.