The Team

William Panlilio

William Panlilio

Investment Manager

William specialises in international arbitration, with a focus on international commercial arbitration and investor state disputes, as well as cross-border litigation, including on the enforcement of foreign arbitral awards, foreign sovereign immunities, and discovery in aid of foreign proceedings. He has additional expertise in advising on share acquisitions, corporate restructurings, shareholder matters, and financing agreements, among other global corporate transactions.

Prior to joining LCM, William was a Senior Associate for over five years in King & Spalding’s Singapore office, as part of its Trial and Global Disputes team. Before that, he was an Assistant Legal Counsel at the Permanent Court of Arbitration in The Hague, The Netherlands for close to two years. While at the court, he assisted arbitral tribunals in treaty and commercial arbitrations involving various combinations of States, State entities, international organisations and private parties.

He is a New York qualified lawyer and began his career as a Litigation Associate at Orrick, Herrington & Sutcliffe in New York, specialising in complex commercial litigation, financial institutions litigation, and cases involving U.S. foreign relations law, including cases on the liability of corporations under international law.

William graduated with magna cum laude honours from Fordham University School of Law in New York and also has a Masters in International Affairs, with a specialisation in international law, from Columbia University’s School of International and Public Affairs.


“Singapore considers conditional fee arrangements”; published in Lexology (November 2021)

“The Use of Litigation Finance in disputes along China’s Belt and Road”; published in CDR magazine 2021 Essential Intelligence: The Belt and Road Initiative (September, 2021).

“Mining Arbitration in the Asia-Pacific”; co-authored with Aloysius Llamzon (King & Spalding); published in Global Arbitration Review – The Guide to Mining Arbitrations (June 2019)

“Claims for expropriated property in Cuba under the Helms-Burton Act”; co-authored with James Berger (King & Spalding), Thomas Spulak (King & Spalding) and Charlene Sun (King & Spalding); published in the King & Spalding Client Alert (January 2019)

“U.S. Supreme Court clarifies rules governing Proof of Foreign Law”; co-authored with James Berger (King & Spalding) and Charlene Sun (King & Spalding); published in the King & Spalding Client Alert (June 2018)

“Review by U.S. Courts of Investment Treaty Awards”; published in Minority Trial Lawyer Newsletter, American Bar Association Section of Litigation (May 2014)

“The Supreme Court limits Alien Tort Statute litigation – but the door remains slightly ajar”, co-authored with Laurie Strauch Weiss (Orrick, Herrrington & Sutcliffe); published in the Corporate Counsel Newsletter, American Bar Association Section of Litigation (July 2013)

“Defending against Alien Tort Statute cases post-Kiobel: what are the key defences”; co-authored with Laurie Strauch Weiss (Orrick, Herrington & Sutcliffe); published in American Law Institute Continuing Legal Education teleseminar on Kiobel – the Supreme Court redefines Alien Tort Statute litigation – what’s left? (June 2013)

“Holding Technology companies and their executives accountable under the Alien Tort Statute”; co-authored with Russell Cohen (Orrick, Herrington & Sutcliffe) and Laurie Strauch Weiss (Orrick, Herrington & Sutcliffe); published in the Corporate Counsel Newsletter (December 2011)


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