<P> The current Acting Secretary of Homeland Security is Elaine Duke following the appointment of the then - incumbent secretary , John F. Kelly , to the post of White House Chief of Staff by President Donald Trump . It was announced on October 12 , 2017 , that Kirstjen Nielsen was nominated as Secretary of the Department of Homeland Security by President Donald Trump . She requires a Senate approval before being officially confirmed . </P>
who is the acting director of homeland security
Elaine Duke