Entergy Corporation ·ETR

Five regulated utility CEOs report directly to the group CEO

Energy · Fortune #355 · Hybrid structure · 12K employees · New Orleans, Louisiana

View as of:

CEO span

↑ wider than peers (avg 9)

3.6

Avg span

moderate

Max depth

3 levels

3 yr

Avg tenure

stable vs FY2024

100%

Internal hires

↑ above industry avg

Consolidated financials FY2023 · period end 2023-12-31 · 10-K

Revenue

$12.1B

Operating income

$3.2B

Net income

$2.4B

Total assets

$71.9B

Shares out

453M

Sourced from Entergy Corporation DEF 14A · filed 2026-03-27 ↗ View on SEC

Interactive org chart

Entergy Corporation organizational chart

Explore the executive structure, reporting layers, and scenario-ready operating model from public filings.

Open editable chart

Five regulated utility CEOs report directly to Entergy’s group CEO, creating an unusually wide CEO span. This page maps Entergy’s hybrid enterprise structure, details the executive team, analyzes reporting depth, and compares the model with peer utilities.

What to model

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Start with the public baseline, then use the scenario views and source-backed changes to ask what happens when leadership, span, or team ownership shifts.

Latest signal Patrick J. Stack joined as Senior Vice President and Chief Accounting Officer

Appointed effective June 1, 2026 following planned retirement of Reginald T. Jackson.

Source · See change log

Scenario views in the chart

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Consolidate Utility CEOs under COO Move the five state utility CEOs to report to the COO, reducing CEO span and adding an operational aggregation layer.

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The people

Who's running this

11 executives identified as Named Executive Officers in the most recent SEC proxy. Bar length scales with tenure.

internal

Andrew S. Marsh

Chair of the Board and Chief Executive Officer

Executive

3 yr

40 reports

internal

Kimberly Cook-Nelson

Executive Vice President and Chief Operating Officer

Operations

1 yr

18 reports

internal

Kimberly A. Fontan

Executive Vice President and Chief Financial Officer

Finance

6 yr

10 reports

internal

John C. Dinelli

Executive Vice President and Chief Nuclear Officer

Nuclear

1 yr

9 reports

internal

Haley R. Fisackerly

President and CEO, Entergy Mississippi

Utility Operations

5 yr

8 reports

internal

Laura R. Landreaux

President and CEO, Entergy Arkansas

Utility Operations

4 yr

8 reports

internal

Phillip R. May, Jr.

President and CEO, Entergy Louisiana

Utility Operations

4 yr

8 reports

internal

Deanna D. Rodriguez

President and CEO, Entergy New Orleans

Utility Operations

3 yr

7 reports

internal

Eliecer Viamontes

President and CEO, Entergy Texas

Utility Operations

3 yr

7 reports

internal

Patrick J. Stack

Senior Vice President and Chief Accounting Officer

Finance

0 yr

5 reports

internal

Marcus V. Brown

Executive Legal Advisor to the CEO

Legal

1 yr

3 reports

The pay

Executive compensation

From the most recent DEF 14A Summary Compensation Table. 5 named executive officers disclosed. Bar length scales with total compensation.

Andrew S. Marsh $16.8M

Base salary: $1.29M
Stock awards: $6.95M
Option awards: $1.65M
Non-equity incentive: $2.61M
Pension change: $3.97M
Other: $280K
Fiscal year: FY2025
Source: SEC DEF 14A ↗

Kimberly A. Fontan $4.7M

Base salary: $737K
Stock awards: $1.54M
Option awards: $366K
Non-equity incentive: $1.04M
Pension change: $881K
Other: $99K
Fiscal year: FY2025
Source: SEC DEF 14A ↗

Kimberly Cook-Nelson $4.0M

Base salary: $721K
Stock awards: $1.11M
Option awards: $263K
Non-equity incentive: $865K
Pension change: $874K
Other: $184K
Fiscal year: FY2025
Source: SEC DEF 14A ↗

Marcus V. Brown $4.4M

Base salary: $812K
Bonus: $100K
Stock awards: $1.33M
Option awards: $316K
Non-equity incentive: $977K
Pension change: $784K
Other: $126K
Fiscal year: FY2025
Source: SEC DEF 14A ↗

John C. Dinelli $3.1M

Base salary: $561K
Bonus: $128K
Stock awards: $1.10M
Option awards: $124K
Non-equity incentive: $543K
Pension change: $584K
Other: $78K
Fiscal year: FY2025
Source: SEC DEF 14A ↗

The businesses

How Entergy Corporation divides the work

4 divisions report into the group CEO. Tile size scales with estimated headcount.

Finance

900 employees

Executive Vice President and CFO (Kimberly A. Fontan)

Oversees capital allocation, treasury, accounting, investor relations, and enterprise financial controls.

Operations

6K employees

Executive Vice President and COO (Kimberly Cook-Nelson)

Responsible for system operations, transmission, distribution, storm response, and enterprise safety.

Nuclear

4K employees

Executive Vice President and Chief Nuclear Officer (John C. Dinelli)

Manages Entergy’s regulated nuclear generation fleet and nuclear safety oversight.

Regulated Utilities

10K employees

Chief Executive Officers, Operating Companies

State-regulated electric utilities serving Arkansas, Louisiana, Mississippi, Texas, and New Orleans.

The thesis

Why this org is unusual

Five regulated utility CEOs reporting directly to the group CEO is the most distinctive feature of Entergy’s structure.

Instead of consolidating state operations under a single utility or operations president, Entergy preserves strong local P&L ownership and regulatory accountability at the CEO level. This results in an unusually wide CEO span but aligns with the company’s highly regulated, state-specific operating model.

The enterprise overlays functional leaders—CFO, COO, Chief Nuclear Officer, and Legal—across all operating companies. Nuclear is elevated to a C-suite role reflecting Entergy’s large regulated nuclear fleet and risk profile. The model prioritizes regulatory credibility and operational resilience over corporate centralization.

Five state utility CEOs report directly to CEO
Dedicated Chief Nuclear Officer at C-suite level

The comparison

How Entergy Corporation stacks up

Compared with peers like Duke Energy and Southern Company, Entergy runs a more decentralized operating model with utility CEOs closer to the top. Duke and Southern typically interpose a group or utilities president layer. Exelon, by contrast, has fewer regulated utilities and a narrower CEO span. Entergy’s structure …

C-suite size

Entergy Corporation

Reporting depth

Entergy Corporation

3 levels

4 levels

5 levels

4 levels

4 levels

4 levels

Avg C-suite tenure

Entergy Corporation

3 yr

4 yr

6 yr

5 yr

4 yr

5 yr

Has COO / Has CAIO

Entergy Corporation ✓ COO — no CAIO

Duke Energy ✓ COO — no CAIO

Southern Company ✓ COO — no CAIO

Exelon — no COO — no CAIO

NextEra Energy ✓ COO — no CAIO

Dominion Energy ✓ COO — no CAIO

Current signals

What changed recently

The most consequential change was the transition of longtime General Counsel Marcus Brown into an advisory role ahead of his 2026 retirement.

Jun 1, 2026 new
Patrick J. Stack Senior Vice President and Chief Accounting Officer
Appointed effective June 1, 2026 following planned retirement of Reginald T. Jackson.
Source
Date not confirmed reorg
Marcus V. Brown Executive Legal Advisor to the CEO
Transitioned from EVP and General Counsel effective Dec 1, 2025 ahead of planned retirement in spring 2026.
Source

Leadership Timeline

Year-over-year executive structure based on SEC proxy and annual filings.

FY2025

DEF 14A filed 2026-03-27

CEO: Andrew S. Marsh
CEO span: 10
C-suite: 5
Avg tenure: 3 yr

Utility CEOs continued to report directly to the CEO.

Named executive officers (5)

Andrew S. Marsh - Chair and CEO since 2022
Kimberly A. Fontan - EVP and CFO since 2019
Kimberly Cook-Nelson - EVP and COO since 2025
Marcus V. Brown - Executive Legal Advisor since 2025
John C. Dinelli - EVP and Chief Nuclear Officer since 2025

FY2024

DEF 14A filed 2025-03-28

CEO: Andrew S. Marsh
CEO span: 9
C-suite: 4
Avg tenure: 3.5 yr

COO role not yet established at enterprise level.

Named executive officers (4)

Andrew S. Marsh - Chair and CEO since 2022
Kimberly A. Fontan - EVP and CFO since 2019
Marcus V. Brown - EVP and General Counsel since 2015
John C. Dinelli - Chief Nuclear Officer since 2025

FY2023

DEF 14A filed 2024-03-29

CEO: Andrew S. Marsh
CEO span: 9
C-suite: 3
Avg tenure: 4 yr

Lean corporate center with heavy reliance on operating company leadership.

Named executive officers (3)

Andrew S. Marsh - Chair and CEO since 2022
Kimberly A. Fontan - EVP and CFO since 2019
Marcus V. Brown - EVP and General Counsel since 2015

Year-over-year changes

FY2023 → FY2024

Nuclear leadership elevated further while overall structure remained stable.

CEO span: 9 → 9
C-suite size: 3 → 4
Avg tenure: 4 → 3.5 yr

retitled John C. Dinelli - Chief Nuclear Officer (was SVP Nuclear) (DEF 14A, 2025)

FY2024 → FY2025

Creation of the COO role and legal transition modestly expanded the C-suite.

CEO span: 9 → 10
C-suite size: 4 → 5
Avg tenure: 3.5 → 3 yr

new Kimberly Cook-Nelson - EVP and COO (DEF 14A, 2026)
retitled Marcus V. Brown - Executive Legal Advisor (was EVP and General Counsel) (8-K, Nov 6 2025)

Frequently Asked Questions

Who is the CEO of Entergy?

Andrew S. Marsh has served as Chair and CEO of Entergy since November 1, 2022.

What type of organizational structure does Entergy use?

Entergy uses a hybrid enterprise structure combining centralized functions with state-level regulated utility CEOs.

How many direct reports does Entergy's CEO have?

Entergy’s CEO has ten direct reports, including five regulated utility CEOs.

How has Entergy's leadership changed recently?

In late 2025 and 2026, Entergy transitioned its General Counsel to an advisory role and appointed a new Chief Accounting Officer.

Who reports directly to Entergy's CEO?

Direct reports include the CFO, COO, Chief Nuclear Officer, Legal Advisor, and the CEOs of Entergy’s five regulated utilities.

Sources

8-K Filing, Mar 30, 2026
8-K Filing, Nov 6, 2025
SEC EDGAR: Entergy Corporation DEF 14A Proxy Statement
SEC EDGAR: Entergy Corporation 10-K Annual Report

Reference

Cite this page

If you reference this page in research, analysis, or news writing, use one of the formats below. Citation includes the SEC filing source where applicable.

APA 7th

Creately. (2026). Entergy Corporation organizational structure. Creately. Retrieved , from https://creately.com/org-chart/fortune-500/entergy/

MLA 9th

"Entergy Corporation Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/fortune-500/entergy/. Accessed .

Chicago 17

Creately. "Entergy Corporation Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/fortune-500/entergy/.

Original SEC source View on SEC ↗

Entergy Corporation. DEF 14A. Filed 2026-03-27. U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/65984/000006598426000211/etr-20260327.htm

Permanent URL: https://creately.com/org-chart/fortune-500/entergy/ · last updated 2026-04-01

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