Home City: Gilbert
Occupation: Real Estate
Member Since: 2012

2025 Committees

• Rules, Chair

Arizona State Senate President Warren Petersen has served in the Arizona Legislature since 2012, where he was first elected to the Arizona House of Representatives. He currently represents District 14, which covers Gilbert and parts of Queen Creek. Throughout his career at the Legislature, President Petersen has advocated for limited government, reduced regulations, fiscally conservative initiatives, low taxes, and free market principles. This session begins his third year serving as Senate President. His service at the Legislature has also included House Majority Leader, Senate Commerce Committee Chair, Senate Judiciary Committee Chair, Senate Rules Chair, and as a member of the Senate Ethics Committee. 

President Petersen is a third-generation Gilbert resident and a graduate of Gilbert High School. He received his bachelor's degree from Arizona State University and a juris doctor degree from ASU Law. He has worked in the real estate industry for more than two decades, primarily in new home construction, and owns a real estate brokerage. When he's not busy at the Legislature or running his business, he's spending time with his family and his beautiful wife, Denise, as well as serving those within his community.