Jamieson Greer

Jamieson Greer is an American trade attorney and former Air Force officer who has served as the 20th U.S. Trade Representative since February 2025. He also holds the role of acting special counsel of the United States as of March 2025 and briefly served as acting director of the U.S. Office of Government Ethics from March to August 2025. Greer is a practicing member of the Church of Jesus Christ of Latter-day Saints and the first Mormon to hold a Cabinet-level position since 2009. His professional identity centers on trade policy, where he is known as an architect of the tariff policies of the first Trump administration. As of 2026, he leads U.S. trade negotiations and enforcement, prioritizing what he calls "America First on trade." He was born in Albany, New York, and raised in Paradise, California, and his career spans military service, private law practice, and high-level government trade roles. Greer's approach emphasizes combating unfair foreign trade practices and expanding market access for American products, ensuring balance and reciprocity in U.S. trading relationships.[edit]

Greer grew up in Paradise, California, the fourth of five children. He attended Paradise Intermediate School and graduated from Paradise High School in 1998. During high school, he worked as a dishwasher and at McDonald's to earn money. After graduation, he served a two-year Mormon mission in Brussels, Belgium, an experience that shaped his international outlook and where he learned French.

He earned a B.A. in International Studies from Brigham Young University in 2004, followed by a joint Master in Global Business Law from Sciences Po and Paris 1 Panthéon-Sorbonne University in 2007. That same year, he clerked at the European Court of Justice. He then completed a Juris Doctor at the University of Virginia School of Law in 2008. Instead of immediately entering private practice, Greer joined the U.S. Air Force Judge Advocate General's Corps, serving until 2012 and achieving the rank of Captain. He deployed to Iraq as chief of military justice at Joint Base Balad, overseeing legal operations in a combat zone. After leaving the Air Force, trade attorney Robert Lighthizer hired him at Skadden, Arps, Slate, Meagher & Flom in 2012. Greer worked on steel trade cases, and Lighthizer later noted that Greer "was organized, patient, and always at the office." He later moved to Kirkland & Ellis to continue trade law work. These early career steps laid the foundation for his return to government service when Lighthizer became U.S. Trade Representative in 2017.[edit]

In June 2017, Greer became chief of staff to U.S. Trade Representative Robert Lighthizer, a role he held until May 2020. He was deeply involved in the Section 301 investigation into Chinese forced technology transfer, the U.S.-China Phase One trade agreement negotiations, and the United States-Mexico-Canada Agreement (USMCA), including its congressional approval. Greer often represented the U.S. on Lighthizer's behalf during trade talks. The New York Times described him as an "architect" of Trump's tariff policy. After leaving USTR, Greer joined King & Spalding as a partner in its International Trade practice group, where he advised clients in manufacturing, technology, energy, pharmaceuticals, agriculture, finance, hospitality, and aerospace on trade remedy litigation, export compliance, and policy. In November 2024, President-elect Donald Trump nominated him to be U.S. Trade Representative. The Senate confirmed him 56-43 on February 26, 2025. He was sworn in the next day. In March 2025, he was also appointed acting special counsel of the United States, and from March to August 2025 he served as acting director of the U.S. Office of Government Ethics. Greer's career timeline includes serving in the U.S. Air Force JAG Corps from 2008 to 2012, working at Skadden Arps and Kirkland & Ellis, and being a partner at King & Spalding from 2020 to 2025 before his nomination.[edit]

Greer maintains a professional, policy-focused public image typical of a senior government trade official. He does not cultivate a personal brand or fan culture. His social media presence on X is formal and policy-oriented, sharing trade announcements and administration messaging. Media coverage describes him as a skilled trade lawyer and a key figure in Trump-era tariff policy. The New York Times called him an "architect" of that policy. There is no fandom name or fan rituals associated with him. His public persona is defined by his work rather than personal style or charisma. He has been quoted in legal and trade publications including Law360 and Reuters.[edit]

Jamieson Greer may be the most consequential trade official you've never heard of, at least not in the way you'd hear of a celebrity. As of August 2026, iFANN's Global Fame Engine has evaluated him, but he does not currently hold a placement in the published rankings, not in the Global Top 1,000, nor in any Top-100 scope list. That's not a slight; it's a reflection of his profile: a policy insider whose fame is professional, not pop-cultural. His name doesn't trend, his face isn't on magazine covers, and his fanbase, if it can be called that, has no formal name. In fact, iFANN data documents no fandom name at all, and a search of the web turns up no fan campaigns, no inside jokes, no legendary moments. What you find instead are news articles about his trade negotiations, his Senate testimony, and his campaign trail appearances, all the stuff of a serious public servant, not a folk hero.

But to those who follow trade policy closely, Greer is nothing short of a legend in the making. He's the architect of the tariff policies that defined the first Trump administration, a role The New York Times has acknowledged. His tweets, like "Fair Trade = A Stronger America", are quoted in trade circles like scripture. And his statement on supply chain realignment during his nomination process is still cited as a masterclass in strategic thinking. So while he may not top any fame charts, in the niche world of trade law, he's a rock star, just one who doesn't have a fan club, a hashtag, or a nickname. And that's exactly how he'd want it.[edit]

Greer's X (Twitter) handle is @jamiesongreer, where he posts trade policy announcements and has over 24,000 followers as of 2026. He once summarized his trade philosophy in a tweet: "Fair Trade = A Stronger America." He also tweeted "For the next American Century" on January 21, 2025, sharing the America First Trade Policy. During his nomination process, he stated: "Meaningful enforcement may require supply chain realignment, which can be difficult and take time. But these relatively short-term costs should be understood in the broader context of our strategic competition with China." Greer's birth name is Jamieson Lee Greer, born August 16, 1980 (some sources list 1979). He is the first Mormon to hold a Cabinet-level position since 2009.

One story that trade insiders still retell: during his Senate confirmation hearing, Greer was grilled on the potential economic fallout of his tariff policies, and he responded with a calm, detailed defense of supply chain realignment that left even critics nodding. It's a moment that's become part of his lore, a reflection of his ability to turn complex policy into a compelling narrative.[edit]

Greer was the fourth of five children, raised in Paradise, California. His parents' names and occupations are not publicly documented. He is married and has children, but his spouse's name and the number of children have not been disclosed in available sources. The family's privacy is respected in public records. As a practicing Mormon, Greer's faith is a known aspect of his personal life, though specific family practices are not detailed. He was born in Albany, New York, but grew up in Paradise, California.[edit]

Robert Lighthizer hired Greer at Skadden and later as chief of staff at USTR, making him a key mentor. President Donald Trump nominated Greer as U.S. Trade Representative. Stephen P. Vaughn, former acting USTR, was a colleague at King & Spalding. [edit]

Publicly available information about Greer's romantic relationships is extremely limited. As a trade attorney and government official rather than a celebrity, his personal life has not been covered by media. He is known to be married, but the identity of his spouse, the date of marriage, and details about any prior relationships are not documented in credible sources. As of 2026, his relationship status is married.[edit]

No publicly available net worth estimate exists for Jamieson Greer. As a government official and former law firm partner, his personal finances are not reported by major wealth-tracking outlets. Government financial disclosure forms for U.S. Trade Representative positions are typically filed but not aggregated into net worth estimates. His income as a partner at King & Spalding and prior law firms is not publicly disclosed. As of 2026, his net worth is not reliably estimated.[edit]