Stephen Miller is an American political advisor born on August 23, 1985, in Santa Monica, California. He is a prominent conservative figure known for his strong anti-immigration stance and significant influence in the Trump administration. Miller served as a senior advisor for policy and White House director of speechwriting during Donald Trump's first term and was instrumental in shaping key policies such as the travel ban on Muslim-majority countries, the reduction of refugee admissions, and the controversial family separation policy at the U.S.-Mexico border
. Miller graduated from Duke University, where he was active in conservative causes, including leading the Duke chapter of Students for Academic Freedom and writing for the school newspaper. He began his political career working for Republican members of Congress, including Michele Bachmann, John Shadegg, and Senator Jeff Sessions, before joining Trump's 2016 presidential campaign as a senior policy advisor
. In 2025, Miller became the White House deputy chief of staff for policy and the 12th United States homeland security advisor, making him the youngest person and first millennial to hold that position. He remains a key figure in Trump's second administration, wielding significant influence over domestic and immigration policy
. Miller has been a controversial figure, criticized for promoting extremist views and conspiracy theories, and is listed by the Southern Poverty Law Center as an extremist. Despite this, he continues to be a central strategist in the America First movement and conservative populism
. In summary, Stephen Miller is a leading conservative political advisor known primarily for his hardline immigration policies and his close advisory role to Donald Trump in both of Trump's presidential terms.
