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John Bolton
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John Bolton Pres. George W. Bush naming John Bolton to the post of U.S. ambassador to the UN John Bolton
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John Bolton
John Bolton American government official John Bolton, 2011.

John Bolton

American government official
Also known as: John Robert Bolton
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Robert Rauch
Freelance Editor and Writer.
Robert Rauch
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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John Bolton (born November 20, 1948, Baltimore, Maryland, U.S.) is a former American government official who served as national security adviser (2018–19) to United States President Donald Trump. Bolton previously was the interim U.S. ambassador to the United Nations (2005–06). In 2025, Bolton’s home and office were searched as part of what the government said was an investigation into whether he mishandled classified documents. In June 2026, he pleaded guilty to one count of possessing...

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