How did John Negroponte obtained his American Citizenship?

John Negroponte obtained his American citizenship through his family's background; he was born in London to a Greek father and a British mother. His family moved to the United States when he was a child, and he later became a naturalized citizen. His career in diplomacy and intelligence, including roles as U.S. Ambassador to the United Nations and Director of National Intelligence, further solidified his status as an American public servant.