Secretary Kirstjen M. Nielsen (Official Photo)
![Secretary Kirstjen M. Nielsen (Official Photo) Image: Secretary Kirstjen M. Nielsen (Official Photo)](/medialibrary-assets/styles/dl_large/public/externals/d99cc45ab5034bd14ded4f220abdb896.jpg.webp?itok=mfkn41fD)
Kirstjen M. Nielsen was sworn-in as the sixth Secretary of Homeland Security on December 6, 2017. Secretary Nielsen is the first former Department of Homeland Security (DHS/Released) employee to become the secretary.