John F. Kelly is a retired ‘U.S. Marine’ general and a former ‘White House’ chief of staff in President Donald Trump’s administration. He was born and raised in Boston, Massachusetts. While in college, he served a year in the ‘United States Merchant Marine.’ He later joined the ‘U.S. Marine Corps’ during the Vietnam War. In 1972, he was temporality discharged from the ‘Marines’ to complete his college education. He was later appointed as a lieutenant colonel. In 2003, he became the commander of the newly formed ‘Task Force Tripoli.’ After the Iraq war, he was made a lieutenant general by the senate. He was appointed as Trump administration’s first secretary of homeland security. He earned the position owing to his tough stand on the immigration laws of the country. Within days of his appointment, John claimed that building the wall on the U.S.–Mexico border was his top priority and that it would be completed within 2 years. In July 2017, he was appointed as the ‘White House’ chief of staff. He was known as a staunch disciplinarian, but toward the end of his term, he began having his issues with several senators. He has been a board member of ‘Caliburn International’ since 2019.