White House Chief of Staff John Kelly walks with Kirstjen Nielsen (left) on the South Lawn of the White House in Washington August 22, 2017. — Reuters picWASHINGTON, Oct 12 — President Donald Trump announced he plans to nominate Kirstjen Nielsen, a top aide to White House Chief of Staff John Kelly, to succeed him as secretary of Homeland Security, the White House said in a statement.
Nielsen had been Kelly’s chief of staff when he was secretary of Homeland Security and followed him to the White House, serving as his principal deputy there.
Nielsen, 45, has a background in cybersecurity. She previously worked as a homeland security adviser in Republican President George W. Bush’s White House and at the Transportation Security Administration.