[PAR] [TLE] Elaine Duke [SEP] Elaine Costanzo Duke (born 1958) is an American civil servant who is the current Acting United States Secretary of Homeland Security.  On January 30, 2017, she was nominated by President Donald Trump to become the United States Deputy Secretary of Homeland Security under John F. Kelly.  She became acting Secretary of Homeland Security on July 31, 2017, when John F. Kelly assumed the office of White House Chief of Staff. [PAR] [TLE] John F. Kelly [SEP] John Francis Kelly (born May 11, 1950) is the current White House Chief of Staff for U.S. President Donald Trump, previously serving as U.S. Secretary of Homeland Security in the same administration.
[PAR] [TLE] Elaine Duke [ SEP ] Elaine Costanzo Duke ( born 1958 ) is an American civil servant who is the current Acting United States Secretary of Homeland Security . On January 30 , 2017 , she was nominated by President Donald Trump to become the United States Deputy Secretary of Homeland Security under John F. Kelly . She became acting Secretary of Homeland Security on July 31 , 2017 , when John F. Kelly assumed the office of White House Chief of Staff . [PAR] [TLE] John F. Kelly [ SEP ] John Francis Kelly ( born May 11 , 1950 ) is the current White House Chief of Staff for U.S. President Donald Trump , previously serving as U.S. Secretary of Homeland Security in the same administration .
When did the former U.S. Secretary of Homeland Security assume the office of White House Chief of Staff?
When did the former U.S. Secretary of Homeland Security assume the office of White House Chief of Staff ?
July 31, 2017
July 31, 2017