Kimberly Cook-Nelson
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Kimberly Cook-Nelson is recorded as COO at Entergy Mississippi, LLC (EMP) since May 1, 2025. Entergy Mississippi, LLC reported in an 8-K filed March 28, 2025 that Kimberly Cook-Nelson was appointed Executive Vice President and Chief Operating Officer, effective May 1, 2025. Kimberly Cook-Nelson has spoken on 1 investor event across 1 company, most recently for Entergy Mississippi, LLC on June 9, 2026. Other leadership on record at Entergy Mississippi, LLC includes Andrew S. Marsh (CEO and Board Member), Leo P. Denault (Chairman), Kimberly A. Fontan (CFO and Board Member) and 4 others.
“On May 1, 2025, Kimberly Cook-Nelson, age 53, will be appointed Executive Vice President and Chief Operating Officer of the Company.”
Kimberly Cook-Nelson on recent calls
“I'm Entergy's Chief Operating Officer, and you can tell from that video we have a lot going on.”
Affiliation history
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Current
2025-05-01–present
Company network
Leadership on record at Entergy Mississippi, LLC
- Andrew S. Marsh CEO, Board Member
- Leo P. Denault Chairman
- Kimberly A. Fontan CFO, Board Member
- Peter S. Norgeot, Jr. COO, Board Member
- Patrick J. Stack Chief Accounting Officer
- Reginald T. Jackson Chief Accounting Officer
- Kimberly S. Cook-Nelson Board Member