John Robert Bolton (born November 20, 1948) is an American attorney, political commentator, Republican consultant and activist, government official and former diplomat who serves as the 27th National Security Advisor of the United States. He began his tenure as National Security Advisor on April 9, 2018. Bolton served as the United States Ambassador to the United Nations from August 2005 to December 2006 as a recess appointee by President George W. Bush. He resigned at the end of his recess appointment in December 2006 because he was unlikely to win confirmation from the Senate, which the Democratic Party had gained control of at the time.
