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Keith D. Maio is Executive Vice President and Chief Banking Officer of Zions Bancorporation. Prior to this role, Maio served as president and chief executive officer of the National Bank of Arizona, since 2001 and 2005, respectively. He joined National Bank of Arizona in 1992 and held positions in commercial lending and real estate. Maio is chairman-elect of the Arizona Bankers Association, and a member of the boards of the Phoenix Children's Hospital Foundation and of the Pacific Coast School of Banking. He has a bachelor's degree from the University of New Mexico and is a graduate of the Pacific Coast School of Banking.