internal
Jeffrey A. Miller
Chairman of the Board, President and Chief Executive Officer
Executive
8 yr
18 reports
Halliburton Company ·HAL
Two global hemispheres run operations beneath a powerful COO
Energy · Fortune #194 · Divisional structure · 48K employees · Houston, TX
View as of:
5
CEO span
↓ tighter than peers (avg 10)
3.1
Avg span
moderate
3
Max depth
3 levels
4.4 yr
Avg tenure
stable vs FY2024
80%
Internal hires
↑ above industry avg
Consolidated financials FY2010 · period end 2010-12-31 · 10-K
Revenue
$18.0B
Operating income
$2.3B
Net income
$1.3B
Total assets
$25.0B
Shares out
838M
Sourced from Halliburton Company DEF 14A · filed 2026-03-31 ↗ View on SEC
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Halliburton Company organizational chart
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Two global hemispheric presidents report through a newly installed COO, a notable shift for Halliburton. This page maps the divisional structure, executive team, and recent leadership changes, with analysis and peer comparisons.
What to model
Use the chart to test org decisions, not just view reporting lines
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 Michael Casey Maxwell joined as President, Western Hemisphere
Appointed effective February 1, 2026.
Source · See change logScenario views in the chart
- Add Chief AI Officer Introduce a Chief AI Officer reporting to the CEO to centralize AI strategy beyond committee oversight.
- Move Hemisphere Presidents under CEO Eliminate the COO layer and have both hemisphere presidents report directly to the CEO.
Atlas work this supports
- Connect Workday or UKG Get these analytics for YOUR org — tenure, span of control, headcount, automatically from your HRIS.
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- Plan a Reorg Use this as a starting point. Model scenarios, compare structures, present options to your board.
The people
Who's running this
8 executives identified as Named Executive Officers in the most recent SEC proxy. Bar length scales with tenure.
internal
J. Shannon Slocum
Executive Vice President and Chief Operating Officer
Operations
0 yr
6 reports
internal
Eric J. Carre
Executive Vice President and Chief Financial Officer
Finance
9 yr
3 reports
internal
Van H. Beckwith
Executive Vice President, Secretary and Chief Legal Officer
Legal
6 yr
2 reports
internal
Michael Casey Maxwell
President, Western Hemisphere
Western Hemisphere
0 yr
2 reports
internal
Rami Yassine
President, Eastern Hemisphere
Eastern Hemisphere
0 yr
2 reports
Open Role
Chief Human Resources Officer
Human Resources
1 yr
2 reports
Mark J. Richard
Special Advisor to the CEO
Executive
3 yr
0 reports
The pay
Executive compensation
From the most recent DEF 14A Summary Compensation Table. 2 named executive officers disclosed. Bar length scales with total compensation.
Jeffrey A. Miller $16.5M
- Base salary
- $1.70M
- Bonus
- $7.99M
- Stock awards
- $5.94M
- Option awards
- $7K
- Non-equity incentive
- $881K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
Eric J. Carre $5.5M
- Base salary
- $950K
- Bonus
- $2.28M
- Stock awards
- $1.81M
- Option awards
- $3K
- Non-equity incentive
- $425K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
The businesses
How Halliburton Company divides the work
3 divisions report into the group CEO. Tile size scales with estimated headcount.
Western Hemisphere
22K employees
President, Western Hemisphere (Michael Casey Maxwell)
Oversees North and South American operations with full P&L responsibility.
Eastern Hemisphere
20K employees
President, Eastern Hemisphere (Rami Yassine)
Manages Europe, Middle East, Africa, and Asia-Pacific operations.
Finance
2K employees
EVP & CFO (Eric J. Carre)
Handles financial planning, reporting, treasury, and tax.
The thesis
Why this org is unusual
Two global hemispheric presidents now sit beneath a newly empowered COO, concentrating operational authority in a single role.
This structure reduces the CEO’s operational span while reinforcing divisional accountability across the Western and Eastern Hemispheres. Halliburton’s model emphasizes geographic P&L ownership, with finance, legal, and HR retained as centralized corporate functions. The recent elevation of a COO formalizes what had previously been a CEO-heavy operational span.
- COO role added in 2026
- Geographic presidents control operations
The comparison
How Halliburton Company stacks up
Compared with Baker Hughes and SLB, Halliburton’s structure is more explicitly geographic, with fewer global product-line CEOs. The addition of a COO aligns it more closely with peers that separate strategic oversight from day-to-day execution. Unlike some peers, Halliburton has not created a standalone Chief AI …
C-suite size
Reporting depth
Avg C-suite tenure
Has COO / Has CAIO
Halliburton Company ✓ COO — no CAIO
SLB ✓ COO — no CAIO
Weatherford — no COO — no CAIO
Current signals
What changed recently
Halliburton added a formal COO role in 2026, reshaping global operational reporting.
- new
- promotedJ. Shannon Slocum Executive Vice President and Chief Operating Officer
Appointed COO effective January 1, 2026.
Source - promoted
Leadership Timeline
Year-over-year executive structure based on SEC proxy and annual filings.
FY2025
DEF 14A filed 2026-03-31
- CEO
- Jeffrey A. Miller
- CEO span
- 6
- C-suite
- 5
- Avg tenure
- 4.2 yr
COO role newly created for 2026.
Named executive officers (5)
- Jeffrey A. Miller - CEO since 2017
- Eric J. Carre - CFO since 2016
- Van H. Beckwith - Chief Legal Officer since 2020
- J. Shannon Slocum - COO since 2026
- Mark J. Richard - Special Advisor since 2023
FY2024
DEF 14A filed 2025-04-01
- CEO
- Jeffrey A. Miller
- CEO span
- 7
- C-suite
- 4
- Avg tenure
- 4.8 yr
No COO; regional presidents reported directly to CEO.
Named executive officers (4)
- Jeffrey A. Miller - CEO since 2017
- Eric J. Carre - CFO since 2016
- Van H. Beckwith - Chief Legal Officer since 2020
- J. Shannon Slocum - President, Eastern Hemisphere since 2020
FY2023
DEF 14A filed 2024-04-01
- CEO
- Jeffrey A. Miller
- CEO span
- 7
- C-suite
- 4
- Avg tenure
- 5.1 yr
Geographic presidents formed the core operating leadership.
Named executive officers (4)
- Jeffrey A. Miller - CEO since 2017
- Eric J. Carre - CFO since 2016
- Van H. Beckwith - Chief Legal Officer since 2020
- J. Shannon Slocum - President, Eastern Hemisphere since 2020
Year-over-year changes
The COO role was added, reducing the CEO’s direct operational span.
- CEO span: 7 → 6
- C-suite size: 4 → 5
- Avg tenure: 4.8 → 4.2 yr
- new J. Shannon Slocum - Chief Operating Officer (was President, Eastern Hemisphere) (DEF 14A 2026-03-31)
Leadership composition remained stable year over year.
Frequently Asked Questions
Who is the CEO of Halliburton?
Jeffrey A. Miller has served as Chairman, President, and CEO since 2017.
What type of organizational structure does Halliburton use?
Halliburton operates a divisional structure organized primarily by global geography.
How many direct reports does Halliburton's CEO have?
The CEO has five primary direct reports, including the COO, CFO, and CLO.
How has Halliburton's leadership changed recently?
In 2026, Halliburton appointed its first formal COO and reshuffled regional presidents.
Does Halliburton have a COO?
Yes. J. Shannon Slocum became Chief Operating Officer effective January 1, 2026.
Sources
- 8-K Filing, Jan 2026
- 8-K Filing, Dec 2025
- SEC EDGAR: Halliburton Company DEF 14A Proxy Statement
- SEC EDGAR: Halliburton Company 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). Halliburton Company organizational structure. Creately. Retrieved , from https://creately.com/org-chart/fortune-500/halliburton/MLA 9th
"Halliburton Company Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/fortune-500/halliburton/. Accessed .Chicago 17
Creately. "Halliburton Company Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/fortune-500/halliburton/.Original SEC source View on SEC ↗
Halliburton Company. DEF 14A. Filed 2026-03-31. U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/45012/000004501226000033/hal-20260330.htmPermanent URL: https://creately.com/org-chart/fortune-500/halliburton/ · last updated 2026-04-01