John Tien (original) (raw)
John Kai Tien Jr. (born 1963) is an American government official and retired United States Army officer who has served as the United States deputy secretary of homeland security in the Biden administration since 2021.
John Kai Tien Jr. (born 1963) is an American government official and retired United States Army officer who has served as the United States deputy secretary of homeland security in the Biden administration since 2021.