28th White House Chief of Staff (2017-2019), Secretary of Homeland Security (2017)

Secretary Kelly was born and raised in Boston, Massachusetts. He enlisted in the Marine Corps in 1970, and was discharged as a sergeant in 1972, after serving in an infantry company with the 2nd Marine Division, Camp Lejeune, North Carolina. Following graduation from the University of Massachusetts in 1976, he was commissioned an Officer of Marines.