John F. Kelly

John F. Kelly is a retired United States Marine Corps general and former government official. He served as the Secretary of Homeland Security from January to July 2017 and then as White House Chief of Staff under President Donald Trump until January 2019. Known for his military leadership, he played a significant role in shaping policies on immigration and national security during his tenure. Kelly's experience in the military and government has made him a notable figure in discussions about defense and security issues. His leadership style is often characterized as straightforward and disciplined.