internal
Marc N. Casper
Chairman and Chief Executive Officer
Corporate
16 yr
7 reports
Thermo Fisher Scientific Inc. ·TMO
Four global business divisions run directly from the CEO
Healthcare · Fortune #85 · Divisional structure · 122K employees · Waltham, MA
View as of:
4
CEO span
↓ tighter than peers (avg 9)
3.1
Avg span
moderate
3
Max depth
flat for 122K emp
7 yr
Avg tenure
stable vs FY2024
75%
Internal hires
↑ above industry avg
Consolidated financials FY2025 · period end 2025-12-31 · 10-K
Revenue
$44.6B
Operating income
$7.7B
Net income
$6.7B
Total assets
$110.3B
Shares out
371M
Sourced from Thermo Fisher Scientific Inc. DEF 14A · filed 2026-04-07 ↗ View on SEC
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Thermo Fisher Scientific Inc. organizational chart
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Thermo Fisher Scientific operates a divisional structure where four global business presidents report close to the CEO. This page maps the executive team, divisional leadership, recent succession moves, and compares Thermo Fisher’s unusually wide CEO span with peers.
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 Michel Lagarde departed as Executive Vice President and Chief Operating Officer
Departed March 31, 2026 to pursue other opportunities.
Source · See change logScenario views in the chart
- Add Chief AI Officer Creates a centralized AI leader to coordinate product, data, and digital strategy across divisions.
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The people
Who's running this
5 executives identified as Named Executive Officers in the most recent SEC proxy. Bar length scales with tenure.
internal
Gianluca Pettiti
President and Chief Operating Officer
Operations
5 yr
3 reports
internal
James R. Meyer
Senior Vice President and Chief Financial Officer
Finance
0 yr
0 reports
internal
Michael Shafer
Executive Vice President
Specialty Diagnostics
6 yr
0 reports
Thomas B. Shropshire
Senior Vice President and General Counsel
Legal
7 yr
0 reports
The pay
Executive compensation
From the most recent DEF 14A Summary Compensation Table. 1 named executive officers disclosed. Bar length scales with total compensation.
Marc N. Casper $79.9M
- Base salary
- $1.79M
- Stock awards
- $65.73M
- Option awards
- $7.95M
- Non-equity incentive
- $3.74M
- Other
- $714K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
The businesses
How Thermo Fisher Scientific Inc. divides the work
3 divisions report into the group CEO. Tile size scales with estimated headcount.
Life Sciences Solutions
30K employees
President (Alan Sachs)
Provides reagents, instruments, and consumables for biological and medical research.
Analytical Instruments
20K employees
President (Mark Stevenson)
Delivers chromatography, mass spectrometry, and elemental analysis instruments.
Specialty Diagnostics
15K employees
EVP (Michael Shafer)
Provides diagnostic testing solutions for healthcare and laboratory markets.
The thesis
Why this org is unusual
Four global operating divisions report directly to the CEO rather than being consolidated under a single group president.
This structure reinforces Thermo Fisher’s long-standing emphasis on autonomous operating units with clear P&L ownership. The President & COO role coordinates execution across divisions, but does not replace divisional accountability.
The CEO span remains relatively wide for a $45B enterprise, reflecting Thermo Fisher’s confidence in seasoned internal leaders and its PPI Business System as a unifying operating backbone.
- President & COO coordinates four global divisions
- Recent CFO and COO succession executed internally
The comparison
How Thermo Fisher Scientific Inc. stacks up
Compared with peers such as Danaher and Agilent, Thermo Fisher runs with a similarly divisional model but a wider CEO span. Unlike Danaher, which often interposes group executives, Thermo Fisher keeps division presidents closer to the CEO. This supports speed in capital deployment and M&A integration, but increases …
C-suite size
Reporting depth
Thermo Fisher Scientific Inc.
3 levels
4 levels
Agilent Technologies
4 levels
Illumina
4 levels
PerkinElmer
4 levels
Avg C-suite tenure
Has COO / Has CAIO
Thermo Fisher Scientific Inc. ✓ COO — no CAIO
Agilent Technologies — no COO — no CAIO
Illumina ✓ COO — no CAIO
PerkinElmer ✓ COO — no CAIO
Current signals
What changed recently
Thermo Fisher executed a coordinated COO and CFO succession in March 2026, elevating Gianluca Pettiti and James Meyer internally.
Leadership Timeline
Year-over-year executive structure based on SEC proxy and annual filings.
FY2025
DEF 14A filed 2026-04-07
- CEO
- Marc N. Casper
- CEO span
- 5
- C-suite
- 5
- Avg tenure
- 8.2 yr
Leadership team reflected pre-announced COO and CFO succession.
Named executive officers (5)
- Marc N. Casper - Chairman, President and CEO since 2009
- Stephen Williamson - SVP and CFO since 2015
- Michel Lagarde - EVP and COO since 2021
- Gianluca Pettiti - EVP since 2021
- Frederick M. Lowery - EVP since 2024
FY2024
DEF 14A filed 2025-04-05
- CEO
- Marc N. Casper
- CEO span
- 5
- C-suite
- 5
- Avg tenure
- 7.9 yr
Stable executive team with long-tenured CEO.
FY2023
DEF 14A filed 2024-04-04
- CEO
- Marc N. Casper
- CEO span
- 5
- C-suite
- 5
- Avg tenure
- 7.4 yr
No major C-suite changes reported.
Year-over-year changes
2025 reflected stability while preparing for COO and CFO transitions.
- CEO span: 5 → 5
- C-suite size: 5 → 5
- Avg tenure: 7.9 → 8.2 yr
- reorg COO succession announced - Chief Operating Officer (DEF 14A, 2026-04-07)
Frequently Asked Questions
Who is the CEO of Thermo Fisher Scientific?
Marc N. Casper has served as CEO since 2009 and became Chairman and CEO in 2026.
What type of organizational structure does Thermo Fisher Scientific use?
Thermo Fisher uses a divisional structure with global business units holding P&L responsibility.
How many direct reports does Thermo Fisher Scientific's CEO have?
The CEO currently has four direct executive reports.
How has Thermo Fisher Scientific's leadership changed recently?
In March 2026, the company promoted Gianluca Pettiti to President & COO and appointed James Meyer as CFO.
Who reports directly to Thermo Fisher Scientific's CEO?
The CEO’s direct reports include the President & COO, CFO, EVP of Specialty Diagnostics, and General Counsel.
Sources
- Form 8-K, Jan 12 2026
- Form 8-K, Jul 23 2025
- SEC EDGAR: Thermo Fisher Scientific Inc. DEF 14A Proxy Statement
- SEC EDGAR: Thermo Fisher Scientific Inc. 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). Thermo Fisher Scientific Inc. organizational structure. Creately. Retrieved , from https://creately.com/org-chart/fortune-500/thermo-fisher/MLA 9th
"Thermo Fisher Scientific Inc. Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/fortune-500/thermo-fisher/. Accessed .Chicago 17
Creately. "Thermo Fisher Scientific Inc. Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/fortune-500/thermo-fisher/.Original SEC source View on SEC ↗
Thermo Fisher Scientific Inc.. DEF 14A. Filed 2026-04-07. U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/97745/000119312526144585/d66426ddef14a.htmPermanent URL: https://creately.com/org-chart/fortune-500/thermo-fisher/ · last updated 2026-04-01