Jamieson Greer
| Jamieson Greer | |
|---|---|
| Greer in 2025 | |
| 20th United States Trade Representative | |
| Assumed office February 27, 2025 | |
| President | Donald Trump | 
| Preceded by | Katherine Tai | 
| Chief of Staff to the United States Trade Representative | |
| In office June 15, 2017 – April 2020 | |
| Trade Representative | Robert Lighthizer | 
| Preceded by | Edward Gresser | 
| Succeeded by | Nora Todd | 
| Personal details | |
| Born | Jamieson Lee Greer 1979 or 1980 (age 44–45) Albany, New York, U.S. | 
| Political party | Republican | 
| Education | |
| Military service | |
| Allegiance | United States | 
| Branch | U.S. Air Force | 
| Service years | 2008–2012 | 
| Rank | Captain | 
| Unit | USAF JAG Corps | 
| Conflict | Iraq War | 
Jamieson Lee Greer (born 1979 or 1980) is an American attorney and former Air Force officer who is serving as the 20th United States trade representative in the second Trump administration since 2025. A member of the Republican Party, he previously served in the first Trump administration as chief of staff to the United States trade representative from 2017 to 2020 and was a partner in international trade at King & Spalding.