Senator, Arizona State Senate, District 25, 2025-present

Representative, Arizona State House of Representatives, District 25, 2023-2025

Candidate, Arizona State Senate, District 25, 2024

Representative, Arizona State House of Representatives, District 13, 2018-2023

Member, Education, Transportation and Technology Committee

Member, Military Affairs and Border Security Committee

Vice Chair, Natural Resources Committee

Former Vice Chair, Ad Hoc Committee on Abuse and Neglect of Vulnerable Adults, Arizona State House of Representatives

Former Member, Appropriations Committee, Arizona State House of Representatives

Former Chair, Government Committee, Arizona State House of Representatives

Former Member, Joint Legislative Audit Committee

Former Chair, Land and Agriculture Committee, Arizona State House of Representatives

Vice Chair, Natural Resources Committee, Arizona State Senate

Former Member, Natural Resources, Energy and Water Committee, Arizona State House of Representatives

Former Member, Natural Resources, Energy and Water Committee, Arizona State House of Representatives

Former Member, State and International Affairs Committee, Arizona State House of Representatives

Former Member, Ways and Means Committee, Arizona State House of Representatives

Co-Owner/President, Dunn Grain Company, Incorporated, 1994-present

Co-Owner, Tim Dunn Farms, 1982-present

Co-Owner, Sport Clips Haircut Franchises, present

Co-Owner, Upstream Development Company, present

Founding Board Member/Officer, Champion Christian Church, 2003-present

Former Member, Board of Directors, Arizona Community Foundation

Precinct Committeeman, Republican Party

Former President, Yuma County Farm Bureau

Second Vice President/First Vice President, Arizona Farm Bureau, 2003-2013

Member/Chair, Arizona Department of Agriculture Advisory Board, 2006-2011