Julissa Reynoso Pantaleón (born January 2, 1975) is a Dominican Republic-born American attorney and diplomat who served as the United States Ambassador to Spain and Andorra from 2022 to 2024.

[2] She was previously a partner with Chadbourne & Parke LLP, practicing in the firm's International Arbitration and Latin America groups.

[citation needed] She was admitted to Harvard University, where she helped found several student groups and was active with the Institute of Politics at the John F. Kennedy School of Government.

[14] Prior to joining the Obama administration, Reynoso was an attorney in private practice at the international law firm of Simpson Thacher & Bartlett LLP in New York.

During her tenure, Reynoso was charged with developing and implementing a comprehensive security and rule of Law strategy for Central America and the Caribbean.

[17] In October 2011, President Barack Obama expressed his intention to nominate Reynoso as United States Ambassador to Uruguay.

Uruguayan media called it a "diplomatic mess" and the restaurant apologized, claiming the host incorrectly discerned who could enter.

[20][21][22] In November 2020, Reynoso was named chief of staff to the then-incoming First Lady of the United States, Jill Biden.

[23] On July 27, 2021, President Joe Biden announced the nomination of Reynoso to be the United States ambassador to Spain and Andorra.