History of Jamieson Greer in Timeline

Jamieson Lee Greer is an American attorney, former Air Force officer, and a member of the Republican Party. He is currently serving as the 20th United States Trade Representative in the second Trump administration, beginning in February 2025. Prior to this role, he served as chief of staff to the United States Trade Representative from 2017 to 2020 during the first Trump administration. Before his government service, Greer was a partner at King & Spalding, specializing in international trade.

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Full Timeline

December 2007: Worked as a law clerk for the European Court of Justice

In December 2007, Jamieson Greer worked as a law clerk for the European Court of Justice.

2008: Served as an officer in the United States Air Force Judge Advocate General's Corps

In 2008, Jamieson Greer started his service as an officer in the United States Air Force Judge Advocate General's Corps.

2012: Honorably discharged from service

In 2012, Jamieson Greer was honorably discharged from service in the United States Air Force Judge Advocate General's Corps.

2017: Served as chief of staff to Trade Representative Robert Lighthizer

In 2017, Jamieson Greer began serving as the chief of staff to Trade Representative Robert Lighthizer.

2020: End of term as chief of staff to Trade Representative Robert Lighthizer

In 2020, Jamieson Greer ended his term as the chief of staff to Trade Representative Robert Lighthizer.

November 26, 2024: Nominated for United States Trade Representative

On November 26, 2024, President-elect Donald Trump announced his intent to nominate Jamieson Greer to serve as United States Trade Representative in the second Trump administration.

February 2025: Appointed as 20th United States Trade Representative

In February 2025, Jamieson Greer began serving as the 20th United States Trade Representative in the second Trump administration.

April 7, 2025: Ceremonially sworn into office

On April 7, 2025, Jamieson Greer was ceremonially sworn into office by Vice President JD Vance.

April 2025: Appointed as Acting Director and Acting Special Counsel

In April 2025, Jamieson Greer was appointed as Acting Director of the Office of Government Ethics and as Acting Special Counsel of the Office of Special Counsel.

April 2025: Trump paused tariffs

In April 2025, Trump paused the tariffs for 90 days amid substantial economic turmoil. Greer was not informed of the decision until after Trump announced the pause.