The Under Secretary of the Treasury for International Affairs is a high-ranking position within United States Department of the Treasury that reports to, advises, and assists the Secretary of the Treasury and the Deputy Secretary of the Treasury on international economic issues and is often referred to as the U.S. Treasury’s top economic diplomat. As of January 13, 2023, the under secretary is Jay Shambaugh.

David Harold McCormick is an American businessman and politician. McCormick served as the CEO of Bridgewater Associates, one of the world's largest hedge funds, from 2020 to 2022. He is the husband of former Deputy National Security Advisor for Strategy, Dina Powell.