The Brief Arizona Governor Katie Hobbs announced former Mesa Mayor John Giles as her pick for the state's first lieutenant governor. Governor Katie Hobbs has formally announced her choice for Arizona's first ever lieutenant governor, selecting former Mesa Mayor John Giles to join her on the ticket. Who's John Giles? What He's Saying:"As Mesa Mayor, I focused on getting results and bringing people together to solve problems. As Kamala Harris' favorite Arizona mayor, Giles is aligned with Hobbs on all the issues that have hurt Arizonans the most over the past four years.