Leslie M. Castello

Leslie Castello is an associate in Crowell & Moring’s International Dispute Resolution Group and is based in the Washington, D.C. office.

Leslie specializes in international arbitration and litigation. She has experience advising both foreign and domestic investors in complex cross-border disputes, including commercial and investment arbitration and foreign litigation. She recently represented a Fortune 100 technology company in a confidential ICC arbitration addressing delays and defects in an energy sector construction project. In addition to her international arbitration work, Leslie is also experienced in U.S. federal litigation, including through her representation of foreign and domestic clients under the Foreign Sovereign Immunities Act (FSIA) and the Anti-Terrorism Act (ATA).

While in law school, Leslie was managing editor of The Arbitration Brief and secretary of the European Law Association. Prior to joining Crowell & Moring, Leslie was a law clerk at the U.S. Department of State in the Office of the Legal Advisor for International Claims and Investment Disputes (L/CID), and also interned with the U.S. Department of Commerce and the Export-Import Bank of the United States (EXIM), where she focused on international commercial and investment issues.