Kirstjen Nielsen
Kirstjen Nielsen | |
|---|---|
Official portrait, 2018 | |
| 6th United States Secretary of Homeland Security | |
| In office December 6, 2017 – April 10, 2019 | |
| President | Donald Trump |
| Deputy | Elaine Duke Claire Grady (acting) |
| Preceded by | John F. Kelly |
| Succeeded by | Alejandro Mayorkas |
| White House Principal Deputy Chief of Staff | |
| In office September 6, 2017 – December 6, 2017 | |
| President | Donald Trump |
| Preceded by | Katie Walsh |
| Succeeded by | James W. Carroll |
| Personal details | |
| Born | Kirstjen Michele Nielsen May 14, 1972 |
| Education | Georgetown University (BS) University of Virginia (JD) |
Kirstjen Michele Nielsen (/ˈkɪərstən/; born May 14, 1972) is an American attorney who served as United States secretary of homeland security from 2017 to 2019. She is a former principal White House deputy chief of staff to President Donald Trump and was chief of staff to John F. Kelly during his tenure as Secretary of Homeland Security.
Nielsen was confirmed as Secretary of Homeland Security on December 5, 2017. Nielsen implemented the Trump administration family separation policy. She resigned in April 2019.