Stacy Derstine

Stacy Derstine is vice president, external affairs for Arizona Public Service (APS). Based in Phoenix, APS is the state’s largest energy company, providing service to more than 1.3 million homes and businesses 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 currently serves on the Florence Crittenton board of directors and executive board, where she is chair of the governance committee. Additionally, Derstine serves on the Greater Phoenix Chamber board and also 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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