State Senator District 13 in Arizona State Senate District 13, Arizona

2026 Primary Election

• Julie Willoughby — Incumbent Arizona State Representative, Majority Whip in Chandler, AZ

  Julie Willoughby is an Arizona State Representative for Legislative District 13, currently serving as Majority Whip. A registered ER trauma nurse and small business owner, she brings a decade of healthcare leadership and critical decision-making experience to public service. She holds a Master of Science in Nursing from ASU. Grounded in Christian faith and conservative values, Willoughby focuses on issues facing Arizona families and communities. She is running for State Senate to continue advocating for practical solutions and to ensure frontline worker perspectives are represented. She sits on Appropriations, Judiciary, and Health and Human Services committees.

• Kristie O'Brien — Candidate for State Senator in Chandler, AZ

  Kristie O'Brien, a Democrat, is seeking election to the Arizona State Senate to represent District 13. She is on the ballot for the Democratic primary scheduled for July 21, 2026. Born and raised in the East Valley, she grew up in Chandler. O'Brien aims to serve her community in the state legislature.