John Giles served as Mayor of Mesa. He previously served on the Mesa City Council. He identifies as a Democrat but identified as a Republican before 2026.
2016
–Endorsed John McCain (R) for Senator of Arizona (won)
–Endorsed Don Stapley (R) for Representative of Arizona, 5th District (lost primary)
2018
–Endorsed Steve Ferrara (R) for Representative of Arizona, 9th District (lost general election)
2022
–Endorsed Katie Hobbs (D) for Governor of Arizona (won)
–Endorsed Adrian Fontes (D) for Secretary of State of Arizona (won)
–Endorsed Mark Kelly (D) for Senator of Arizona (won)
–Endorsed Greg Stanton (D) for Representative of Arizona, 4th District (won)
2024
–Endorsed Kamala Harris (D) for President (lost general election)
–Endorsed Ruben Gallego (D) for Senator of Arizona (won)
The Endorsement Project 