Stacy Derstine

Stacy Derstine is vice president, external affairs for Arizona Public Service (APS). Based in Phoenix, APS is the state’s largest power company, providing service to nearly 1.4 million customers across Arizona.

Derstine is responsible for the company’s state and local public affairs strategies, community affairs and corporate giving, including the APS Foundation.

Derstine has worked for APS for over 25 years and has served in a variety of customer service and regulatory roles. Prior to her current position, she was vice president, customer service, and chief customer officer, leading the company’s statewide customer service operations, marketing and customer programs. Derstine was also responsible for product development and execution of customer-sited technologies. She has also served as general manager of regulatory and compliance, where she was responsible for regulatory affairs related to policy development, rates, pricing and revenue requirements. Derstine previously worked for APS Energy Services, where she was responsible for government and regulatory affairs in California, Texas, Nevada and Oregon.

In the community, Derstine serves on numerous industry boards and committees. She currently serves on the Greater Phoenix Chamber of Commerce board of directors, and executive committee as well as the chair of the Greater Phoenix Chamber Foundation. Additionally, she serves on the board of directors for the Arizona Science Center, Downtown Phoenix Inc., and on numerous industry boards and committees.

Derstine earned her Bachelor of Science degree in business management from University of Phoenix and is a graduate of the Stanford Executive Program.

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