White House Deputy Chief of Staff and Homeland Security Advisor Stephen Miller attends an event before U.S. President Donald Trump signs an executive order calling for childhood vaccine shots to be spaced out into separate visits during an event in t
WASHINGTON - President Donald Trump announced Friday that Stephen Miller, his deputy chief of staff and one of his top advisers, will become White House chief of staff beginning Monday.
Susie Wiles, who has served as Trump’s chief of staff, will move to the Trump political operation, according to Trump’s announcement. Trump praised Wiles for her service and said she had "done a great job."
RELATED: Susie Wiles, first female White House chief of staff, to leave role
Who is Stephen Miller?
Dig deeper:
Miller is one of Trump’s longest-serving aides, dating back to his first campaign for the White House. He was a senior adviser in Trump’s first term and has been a central figure in many of his policy decisions, particularly on immigration, including Trump’s move to separate thousands of immigrant families as a deterrence program in 2018.
Miller has also helped craft many of Trump’s hardline speeches, and was often the public face of those policies during Trump’s first term in office and during his campaigns.
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Susie Wiles responds to Daily Mail report: 'Friday fiction'
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Since leaving the White House, Miller has served as the president of America First Legal, an organization of former Trump advisers fashioned as a conservative version of the American Civil Liberties Union, challenging the Biden administration, media companies, universities and others over issues such as freedom of speech and religion and national security.
The backstory:
Born Aug. 23, 1985, in Santa Monica, California, Miller developed an interest in conservative politics during high school.
He attended Duke University, where he led conservative student groups, wrote for the student newspaper and defended the Duke lacrosse players during their 2006 case.
After graduating, Miller became a senior congressional aide, working for Republicans on the Senate Judiciary and Budget committees.
The Source: The Associated Press contributed to this report. The information in this story came from President Donald Trump’s announcement about the White House staffing changes, along with background information on Stephen Miller’s career, policy influence and leadership of America First Legal. The story also includes biographical details about Miller’s early interest in conservative politics and his role in Trump’s first administration. This story was reported from Los Angeles.