C.J. Mahoney

C.J. Mahoney joined Microsoft as Deputy General Counsel, U.S. International Trade and National Security, in 2021 after serving as Deputy United States Trade Representative from 2018 to 2020.C.J. leads Microsoft teams responsible for export control and sanctions compliance, international trade, and technology and national security policy.

While at USTR, C.J. led negotiations over the United States-Mexico-Canada Agreement (USMCA) and helped shepherd the agreement through Congress, where it passed with the largest margin of any trade agreement in over 30 years.He personally negotiated key aspects of the agreement’s landmark labor chapter, including the first-of-its-kind, rapid-response enforcement mechanism.

C.J. also oversaw USTR’s digital trade portfolio and helped launch free trade agreement talks with the United Kingdom and Kenya.Under his leadership, USTR launched its first dispute settlement actions to enforce environmental obligations in U.S. free trade agreements.He represented USTR on the Committee on Foreign Investment in the United States (CFIUS) and the boards of the Millennium Challenge Corporation and the Overseas Private Investment Corporation.

Prior to his unanimous confirmation as Deputy USTR, C.J. was a partner at Williams & Connolly LLP where his practice focused on complex commercial litigation, white collar defense, and international disputes.He was a law clerk to Associate Justice Anthony Kennedy during the Supreme Court’s October 2007 term and has served as a Visiting Lecturer at Yale Law School.He is a member of the Council on Foreign Relations and serves on the State Department’s Advisory Committee on International Law.

C.J. is a graduate of Harvard College and Yale Law School, where he was Editor-in-Chief of the Yale Law Journal.Between college and law school, C.J. worked as a business analyst at McKinsey & Company.

A native of Russell, Kansas, C.J. and his wife Becca have two children, Eleanor (11) and Patrick (9).