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Stephen Miller

Stephen Miller is an American Republican political adviser known for his prominent role in Donald Trump’s administrations.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Stephen Miller is an American Republican political adviser known for his prominent role in Donald Trump’s administrations. He has served in senior White House policy roles and is widely associated with hardline immigration policy. Canadian readers may encounter Miller in coverage of U.S. immigration policy, border enforcement, and U.S.-Canada political debate, especially because decisions in Washington can affect migration and cross-border relations.

Early life and education

Stephen Miller was born in Santa Monica, California, in 1985 and later attended Duke University. While at Duke, he wrote for the student newspaper and became active in conservative politics.

Political career

Miller began working on Capitol Hill after college, including roles for Michele Bachmann, John Shadegg, and Jeff Sessions. He later became a key adviser in Donald Trump’s campaign and White House.

Trump administration role

In Trump’s first term, Miller served as a senior policy adviser and was closely involved in immigration policy. In Trump’s second administration, he has held senior policy and homeland security roles.

Public profile

Miller is a prominent and polarizing figure in U.S. conservative politics. Supporters see him as a leading immigration policy strategist, while critics associate him with hardline and restrictive policies.

Key facts

  • Stephen Miller is a senior White House policy adviser known for his hardline immigration positions.
  • He served as senior policy adviser in Donald Trump’s first administration and as deputy chief of staff for policy and homeland security adviser in Trump’s second administration.
  • Miller helped shape policies such as the travel ban and family separation policy.
  • After leaving the White House in 2021, he co-founded America First Legal.
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Canadian context

Canadian readers may encounter Miller in coverage of U.S. immigration policy, border enforcement, and U.S.-Canada political debate, especially because decisions in Washington can affect migration and cross-border relations.

Frequently asked questions

Who is Stephen Miller?
Stephen Miller is an American Republican political adviser who has held senior roles in Donald Trump’s administrations, especially on policy and immigration.
When and where was Stephen Miller born?
He was born on August 23, 1985, in Santa Monica, California.
What did Stephen Miller study?
He studied at Duke University and graduated in 2007.
What government roles has he held?
He served as senior policy adviser in Trump’s first term and as deputy chief of staff for policy and homeland security adviser in Trump’s second administration.
What is Stephen Miller known for?
He is especially known for his influence on U.S. immigration policy, including support for the travel ban and family separation policy.
Did Stephen Miller found an organization after leaving government?
Yes. In 2021, he announced the creation of America First Legal.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Stephen_Miller
    Supports: Birthplace, education, early career, and work for Michele Bachmann, John Shadegg, and Jeff Sessions.
  2. Encyclopaedia Britannicahttps://www.britannica.com/biography/Stephen-Miller
    Supports: Birth date, nationality, Trump administration roles, and association with immigration policy.
  3. BBC Newshttps://www.bbc.com/news/articles/ce8rl71n4r3o
    Supports: 2025–present White House role and influence on policy.
  4. EBSCO Research Startershttps://www.ebsco.com/research-starters/biography/stephen-miller
    Supports: Overview of political background and role in the Trump administration.
  5. U.S. News & World Reporthttps://www.usnews.com/news/national-news/articles/2017-03-03/10-things-you-didnt-know-about-stephen-miller
    Supports: Education, early political activity, and Capitol Hill work.
  6. PBS Frontlinehttps://www.pbs.org/wgbh/frontline/article/last-man-standing-stephen-miller-white-house/
    Supports: Role in shaping immigration policy in Trump’s first administration.
  7. Ballotpediahttps://ballotpedia.org/Stephen_Miller_(Washington,_D.C.)
    Supports: Co-founding of America First Legal and prior campaign/administration roles.