Tillerson announced later that day that his last day at the State Department would be March 31 , 2018 .
On March 13 , 2018 , President Donald Trump dismissed Rex Tillerson and nominated Pompeo , then Director of the Central Intelligence Agency , to replace Tillerson .
Tillerson announced later that day that Rex Tillerson 's last day at the State Department would be March 31 , 2018 .
On March 13 , 2018 , President Donald Trump dismissed Rex Tillerson and nominated Pompeo , then Director of the Central Intelligence Agency , to replace Tillerson .