Prior to his election to the Legislature he was twice elected to the Yuma County Board of Supervisors
The Maricopa (County) Association of Government's awarded the Honorable Gary Pierce (R-Mesa, Arizona) the coveted Peak Award (Summit Award) in 2004. In their citation they state "Representative Gary Pierce was instrumental in guiding the $15.8 billion Regional Transportation Plan through the legislative process. He sponsored House Bill 2292, which laid the framework for the planning process and formalized the Transportation Policy Committee in state law. To help legislators keep abreast of developments, Representative Pierce created the Joint Ad Hoc Committee on the Maricopa County Regional Transportation Plan, a bicameral, bipartisan committee made up of lawmakers interested in transportation issues.” His leadership helped advance House Bill 2456, allowing the Maricopa County Board of Supervisors to set an election for voters to decide on a continuation of the half-cent sales tax for transportation in Maricopa County.
His record of public service includes serving on the Governor's Commission on National and Community Service from 1994 to 1997 and on the Arizona Housing Commission in 1996 and 1997. He also served on the Maricopa County Planning and Zoning Commission and the Maricopa County Department of Transportation Advisory Board. In Yuma, he served two years on the City Board of Adjustment.
The Arizona Republican Party unanimously selected Gary Pierce as a candidate for the Arizona Corporation Commission (ACC). He replaced ACC candidate Marc Spitzer who withdrew when he was appointed to the Federal Energy Regulatory Committee (July 2006).
Raised in Mesa, Arizona, with a stint in Tucson; Gary attended Emerson, Lincoln, Mesa Junior, Ficket Junior High in Tucson, and Mesa High School, graduating in 1970. A track scholarship provided an education at Mesa Community College where he graduated in 1972. Moving on to Arizona State University, he graduated in 1974 with a Bachelor’s Degree in Education
For three years Pierce taught at Taft Elementary School in Mesa. A career in the automobile business followed his teaching experience, which culminated as a Honda and Nissan new car dealer in Yuma, Arizona. Concurrently with his new automobile dealerships, Gary owned a Shell gas station and Budget Rent-A-Car franchise. Upon selling his businesses he became involved in local politics.
Gary married Sherry (Moore), in 1973, they have four sons, three daughter in laws and eleven grandchildren. Gary and Sherry have deep Arizona roots. With Sherry’s parents, grandparents and great grandparents born in Taylor, Shumway, Morenci and Prescott; their eleven grandchildren are 7th generation Arizonans.