Kirsten Nielsen

Kirstjen Nielsen is an American attorney and government official who served as the Secretary of Homeland Security from December 2017 to April 2019. Appointed by President Donald Trump, she was responsible for overseeing immigration policy, border security, and disaster response. Nielsen played a significant role in implementing the administration's controversial immigration policies, including family separations at the border. Her tenure was marked by challenges related to national security and immigration reform. She resigned amid growing pressure and criticism over her handling of these issues, reflecting the complexities of U.S. immigration policy and enforcement during her time in office.