---
schema_version: "secwatch.filing_event.v1"
accession: "0000062709-24-000060"
form_type: "8-K"
ticker: "MRSH"
cik: "0000062709"
company_name: "MARSH & MCLENNAN COMPANIES, INC."
filed_at: "2024-07-10T23:59:59+00:00"
generated_at: "2026-05-31T22:19:15.765626+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Marsh & McLennan appoints Jan Siegmund to Board of Directors

## Summary
- Jan Siegmund, age 60, appointed independent director effective July 10, 2024.
- Siegmund will serve on the Audit Committee; Board now has 12 directors.
- Previously CFO of Cognizant Technology Solutions and ADP; over 30 years in finance & strategy.
- Also serves on the Board of Directors of Western Union.

## SEC filing metadata
- accession: 0000062709-24-000060
- form_type: 8-K
- ticker: MRSH
- cik: 0000062709
- company_name: MARSH & MCLENNAN COMPANIES, INC.
- filed_at: 2024-07-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/62709/000006270924000060/0000062709-24-000060-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/62709/000006270924000060/mmc-20240710.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000062709-24-000060
- JSON: https://secwatch.observer/filing/0000062709-24-000060.json
- Plain text: https://secwatch.observer/filing/0000062709-24-000060.txt

## Key facts
- Executive change
  Jan Siegmund was appointed as independent member of the Board at MARSH & MCLENNAN COMPANIES, INC..
  - Action: appointed
  - Role: independent member of the Board
  source text: On July 10, 2024, the board of directors (the “Board”) of Marsh & McLennan Companies, Inc. (the “Company”) appointed Jan Siegmund, age 60, as an independent member of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/62709/000006270924000060/0000062709-24-000060-index.htm

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