Yassamin Ansari is the incumbent U.S. Representative for Arizona's 3rd Congressional District, first elected in 2024. A former Phoenix City Council member and UN climate policy adviser, she is the youngest woman serving in the 119th Congress and serves as Democratic Freshman Class President. Ansari has focused on climate action, reproductive rights, and affordability issues, and in April 2026 introduced articles of impeachment against Defense Secretary Pete Hegseth.