Stephen Summerville – Biography
Last update: March 18, 2026Executive profile
Stephen was General Manager at Electrx, and The Dial Corporation logo Group Marketing Manager at The Dial Corporation. Stephen Summerville joined Pinnacle West Capital in 2000. Stephen served as General Manager, New Technology Ventures at Pinnacle West Capital.
Stephen Summerville is currentlyGeneral Manager, New Business Ventures, Intellectual Property Management and Strategic Planning at Pinnacle West Capital - View - Pinnacle West Capital org chart
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Education
Stephen Summerville has a Bachelor of Science in Urban Planning and Economic Development from University of Arizona in 1974 and a Master of Business Administration from Arizona State University in 1990.
They have also studied at University of Arizona :
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They have also studied at Arizona State University :
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Company Colleagues
- At Pinnacle West Capital, Stephen Summerville has 50 colleagues including Ted Geisler (CEO & Chairman of the Board), Susan Flanagan (Director)…
Industry Colleagues
- In the Utilities industry, Stephen Summerville has 19,844 colleagues in 948 companies located in 92 countries. 9,856 executive movements have been recorded in the last 12 months. Learn more about Utilities.
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