Erin, a senior associate in the Washington, DC office, has extensive experience representing and advising clients, including governments and government entities, international organisations, and multinational companies, in international arbitration proceedings (contractual and treaty-based), recognition and enforcement proceedings, complex commercial litigation, bankruptcy litigation, and project finance matters. Erin’s representations have concerned diverse industries, such as gaming, mining, life insurance, banking/finance, satellites, and wireless spectrum.

Erin received a J.D. with High Honours from The George Washington University Law School, where she was a member of the Order of the Coif. She received her B.A. from the Princeton School of Public & International Affairs at Princeton University.

Erin is admitted to practice in New York and the District of Columbia, as well as the US Supreme Court, US Court of Appeals for the District of Columbia, US District Court for the District of Columbia, US Bankruptcy Court for the District of Columbia, and US District Court for the Southern District of New York.

Erin has published and presented on topics including arbitration, dispute resolution, international trade and investment. She has extensive experience working in Africa and Asia, and her pro bono practice focuses on reproductive rights, asylum, and juvenile justice.

Sophia Sepulveda Harms is an international arbitration associate in King & Spalding's Trial and Global Disputes Practice Group. Her practice focuses on complex international dispute resolution, including large-scale commercial, investor-state, construction, and recognition and enforcement disputes. Sophia has experience representing clients in the oil and gas, telecommunications, and infrastructure industries, related to investments and commercial relationships in regions across the globe.

Before joining King & Spalding, Sophia graduated summa cum laude from the University of Houston Law Center and joined the Order of the Coif. While in law school, Sophia served as the Chief Notes & Comments Editor for Board 58 of the Houston Law Review.

Sophia has published articles in the Houston Law Review and on the American Bar Association website. Her article in Volume 58 of the Houston Law Review analyzes and suggests changes to bilateral investment treaty language amid heightened environmental concerns. Her article on the ABA Section of Environment, Energy, and Resources website proposes a legislative solution to the turbine blade waste issue faced by the U.S. wind energy industry.

Originally trained in the U.S., Sara focuses on international commercial arbitration across a range of sectors, including defense contracting, energy and infrastructure, construction, technology, and corporate disputes involving joint ventures and licensing.

Sara represents clients across the United States, Europe and Asia in the energy and infrastructure, real estate, licensing and distribution, defense, and aerospace industries. She has experience handling disputes governed by French, Swiss, Iranian, and US (Maryland, New York, Washington, Illinois) law in most of the major arbitral forums, including the ICC, HKIAC, ICSID, and the Swiss Arbitration Centre.

With a strong background in Public International Law, Sara brings a nuanced understanding of the international legal frameworks that impact cross-border disputes to her cases. She also has a keen interest in defense technology and aviation, combining industry-specific knowledge with a solutions-oriented mindset to tackle the unique legal challenges these fields present.

Before joining Orrick, Sara gained valuable experience working in the Emerging Companies department of another major international law firm in New York City. She also represented the City of New York in family court, prosecuting child abuse and neglect cases for two years. In addition to her legal practice, Sara serves as a coach for the International Criminal Court moot court and is a Steering Committee member of the young practitioners’ group of the International Institute for Conflict Prevention & Resolution (CPR).

Sara is recognised for International Arbitration by Legal 500 France.

Tom is an associate in the Washington, DC office. He has significant experience representing clients in a wide range of international arbitrations under most major institutional rules, with a particular focus on disputes across Asia and Latin America. Tom has represented and advised clients from an array of industries, including construction, mining & metals, post-M&A, biotech, and pharmaceuticals.

Tom holds a J.D., cum laude, from the University of Hawaii School of Law, and a B.A with Honors from Dartmouth College. While in law school, he won first-place individual oralist for the global International Environmental Law Moot Court competition. He is the host of The China Arbitrator, a Mandarin language arbitration podcast dedicated to understanding Asian views of the practice of international arbitration. He is also the co-founder of Rescue Afghan Women Now, an organization dedicated to rescuing high-risk Afghan women from Taliban capture and execution.

Tom is admitted to practice in California, New York, and Washington DC. He speaks English, Spanish, Chinese, and Korean, and is conversant in Arabic (Egyptian dialect) and Farsi.