---
schema_version: "secwatch.filing_event.v1"
accession: "0000097745-21-000051"
form_type: "8-K"
ticker: "TMO"
cik: "0000097745"
company_name: "THERMO FISHER SCIENTIFIC INC."
filed_at: "2021-09-28T23:59:59+00:00"
generated_at: "2026-06-29T01:10:17.460570+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Thermo Fisher COO Mark Stevenson to retire March 2022; Michel Lagarde appointed as new COO

## Summary
- Mark Stevenson, EVP and COO, notified retirement effective March 18, 2022.
- Syed Jafry, SVP Regions, notified retirement effective March 31, 2022.
- Michel Lagarde appointed EVP and COO effective January 1, 2022; previously EVP since 2019.
- Gianluca Pettiti appointed EVP effective December 27, 2021; currently SVP and President of Specialty Diagnostics.

## SEC filing metadata
- accession: 0000097745-21-000051
- form_type: 8-K
- ticker: TMO
- cik: 0000097745
- company_name: THERMO FISHER SCIENTIFIC INC.
- filed_at: 2021-09-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97745/000009774521000051/0000097745-21-000051-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97745/000009774521000051/tmo-20210923.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000097745-21-000051
- JSON: https://secwatch.observer/filing/0000097745-21-000051.json
- Plain text: https://secwatch.observer/filing/0000097745-21-000051.txt

## Key facts
- Executive change
  Mark Stevenson retired as Executive Vice President and Chief Operating Officer at THERMO FISHER SCIENTIFIC INC..
  - Action: retired
  - Role: Executive Vice President and Chief Operating Officer
  source text: Mark Stevenson, Executive Vice President and Chief Operating Officer of Thermo Fisher Scientific Inc. (the “Company”), notified the Company of his decision to retire effective March 18, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/97745/000009774521000051/0000097745-21-000051-index.htm
- Executive change
  Gianluca Pettiti was appointed as Executive Vice President at THERMO FISHER SCIENTIFIC INC..
  - Action: appointed
  - Role: Executive Vice President
  source text: the Board of Directors of the Company appointed Gianluca Pettiti, currently Senior Vice President and President of the Company’s Specialty Diagnostics business, Executive Vice President, effective December 27, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/97745/000009774521000051/0000097745-21-000051-index.htm
- Executive change
  Syed Jafry retired as Senior Vice President, Regions at THERMO FISHER SCIENTIFIC INC..
  - Action: retired
  - Role: Senior Vice President, Regions
  source text: Syed Jafry, Senior Vice President, Regions, notified the Company of his decision to retire effective March 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/97745/000009774521000051/0000097745-21-000051-index.htm
- Executive change
  Michel Lagarde was appointed as Executive Vice President and Chief Operating Officer at THERMO FISHER SCIENTIFIC INC..
  - Action: appointed
  - Role: Executive Vice President and Chief Operating Officer
  source text: the Board of Directors of the Company appointed Michel Lagarde, currently Executive Vice President, Executive Vice President and Chief Operating Officer, effective January 1, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/97745/000009774521000051/0000097745-21-000051-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.