Sophie LAMB KC

Sophie J. Lamb KC is a leading international disputes lawyer with over 25 years of experience in international arbitration, complex cross-border litigation and investment treaty disputes.

Renowned for her strategic leadership and advocacy, Ms. Lamb regularly acts for boards of public companies, sovereign states, private equity houses and major corporates across the energy, technology, mining, infrastructure and life sciences sectors. She is widely recognized for her ability to navigate politically sensitive, multijurisdictional matters and has appeared as counsel in some of the most significant and high-profile disputes in recent years, including in proceedings before the U.K. Supreme Court and all major arbitral forums.

Ms. Lamb’s practice encompasses the full spectrum of international arbitration (commercial and investment treaty), public international law, class actions, parent company and corporate litigation, and climate and ESG-related disputes. She has acted as counsel under all principal institutional rules, including UNCITRAL, LCIA, ICC, ICSID, HKIAC, SIAC, AAA-ICDR and Swiss Rules. Ms. Lamb is frequently sought after for her extensive experience in disputes involving complex contractual structures, regulatory issues and market-shaping events.

Ms. Lamb is consistently ranked as a leading individual in international arbitration by Chambers Global, Chambers Europe and Chambers UK, and she is recognized as a Hall of Fame practitioner in The Legal 500. Clients and peers have described her as “ever brilliant and at the top of her game,” “in a league of her own” and “truly exceptional.” In addition, The Lawyer has highlighted her work in its lists of the year’s top 20 cases and named her one of the U.K.’s most influential and inspirational lawyers.

Ms. Lamb is a bencher of Gray’s Inn and serves on the LCIA Court. She previously represented the U.K. on the ICC Court of Arbitration and served as global co-chair of the international arbitration practice at another global law firm.