Stephen Miller is an American political advisor known for his conservative and hardline stance on immigration. Born on August 23, 1985, in Santa Monica, California, he graduated from Duke University and became involved in conservative politics early on, leading conservative student groups and writing for the school newspaper
. Miller served as a senior policy advisor and White House director of speechwriting during Donald Trump's first presidential term (2017–2021). He was a key architect of several controversial immigration policies, including the 2017 travel ban targeting Muslim-majority countries and the policy of separating migrant children from their parents at the U.S.-Mexico border. He played a significant role in shaping Trump's immigration agenda and was known for his extremist and anti-immigration views
. After Trump's first term, Miller founded the America First Legal Foundation and continued to be influential in conservative political circles. In Trump's second term starting in 2025, Miller was appointed as the White House deputy chief of staff for policy and the 12th United States homeland security advisor, becoming the youngest person and first millennial to hold that position. He remains a powerful figure in shaping immigration and national security policies within the Trump administration
. Miller's political career began with roles as a press secretary and communications director for Republican members of Congress, including Michele Bachmann, John Shadegg, and Senator Jeff Sessions. He is recognized as a leading voice of the America First movement and has been involved in efforts to promote conservative populism and restrict immigration
. In summary, Stephen Miller is a prominent Republican political advisor known primarily for his influential role in shaping restrictive immigration policies during the Trump administration and his ongoing involvement in conservative political advocacy.