Ellen Buck – Biography
Last update: March 12, 2026Executive profile
Ellen Buck joined Sempra Energy in 2005. Ellen served as Director, Transmission Engineering and Senior Director, Business and Operations Services for Sempra Energy.
Ellen Buck is currentlySenior Vice President and Chief Operating Officer at Oncor - View - Oncor org chart
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Education
Ellen Buck has a Bachelor of Science in Industrial Engineering from Georgia Institute of Technology in 2003 and a Master of Business Administration from Southern Methodist University - Cox School of Business in 2009.
They have also studied at Georgia Institute of Technology :
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They have also studied at Southern Methodist University - Cox School of Business :
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Company Colleagues
- At Oncor, Ellen Buck has 48 colleagues including Allen Nye (CEO & Director), Timothy Mack (Director)…
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- In the Utilities industry, Ellen Buck has 19,824 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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