[4] Shambaugh has appeared as a guest on NPR, where he has provided commentary on economic policy related to gig work.

[5][6] In February 2022, Shambaugh was nominated to serve as under secretary of the treasury for international affairs.

[7] He was confirmed by the United States Senate on December 13, 2022, by a vote of 70–27,[8] and he was sworn in by Secretary Janet Yellen on January 13, 2023.

[9] On April 18, 2023, Shambaugh delivered a speech on the state of the global economy at the Brookings Institution.

[11] His testimony focused on U.S. engagement with China and how Treasury uses its economic tools to promote U.S. national security and foreign policy interests.