who is john bolton

John Bolton is an American attorney, diplomat, Republican consultant, and political commentator born on November 20, 1948. He served as the 25th U.S. Ambassador to the United Nations from 2005 to 2006 and as the 26th U.S. National Security Advisor from 2018 to 2019 under President Donald Trump. Bolton has held various government positions including Assistant Attorney General under Ronald Reagan and Under Secretary of State for Arms Control and International Security Affairs under George W. Bush. He is known as a foreign policy hawk, advocating for military action and regime change in countries like Iran, Syria, and North Korea. Bolton is also an author, having written the best-selling book "The Room Where It Happened" about his tenure in the Trump administration. More recently, in 2025, he has been involved in controversies around classified documents and investigations related to his time in government service.