State Senator District 4 in Arizona State Senate District 4, Arizona

2026 Primary Election

• Carine Werner — Incumbent State Senator in Scottsdale, AZ

  Carine Werner is an incumbent Republican State Senator representing Arizona's Legislative District 4, having assumed office in January 2025 after defeating the Democratic incumbent. She chairs the Senate Health & Human Services Committee and serves as Vice Chair of the Education Committee, focusing on improving state agency accountability, strengthening child welfare, expanding healthcare access, and supporting Arizona families. An immigrant who arrived in the U.S. at age 11, Werner advocates for strong schools and safe communities. She previously served on the Scottsdale Unified School District governing board and is a small business owner. Werner lives in Scottsdale with her husband and three children.

• Aaron Lieberman — Entrepreneur in Phoenix, AZ

  Aaron Lieberman is a native Arizonan, entrepreneur, and former legislator. He founded the education nonprofit Jumpstart and Acelero Learning, later becoming CEO of a surgery center in Phoenix. A Democrat, he previously served as an Arizona State Representative from 2019 to 2021. He is now running for the Arizona State Senate in District 4, aiming to flip the seat and contribute to a Democratic majority in the chamber. He is focused on expanding job opportunities, balancing budgets, and making government effective for families and small businesses.