---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-072564"
form_type: "8-K"
ticker: "JHG"
cik: "0001274173"
company_name: "JANUS HENDERSON GROUP PLC"
filed_at: "2022-06-21T23:59:59+00:00"
generated_at: "2026-06-25T00:15:45.581453+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Ali Dibadj starts as Janus Henderson CEO and Board member effective June 21

## Summary
- Ali Dibadj joined as CEO and was appointed to the Board, effective June 21, 2022.
- Previously CFO and Head of Strategy at AllianceBernstein; ranked #1 analyst 12 times by Institutional Investor.
- He succeeds Roger Thompson, who had served as interim CEO since April 1; Thompson remains CFO.
- Dibadj holds a B.S. from Harvard College and a J.D. from Harvard Law School.

## SEC filing metadata
- accession: 0001104659-22-072564
- form_type: 8-K
- ticker: JHG
- cik: 0001274173
- company_name: JANUS HENDERSON GROUP PLC
- filed_at: 2022-06-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1274173/000110465922072564/0001104659-22-072564-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1274173/000110465922072564/tm2218288d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-072564
- JSON: https://secwatch.observer/filing/0001104659-22-072564.json
- Plain text: https://secwatch.observer/filing/0001104659-22-072564.txt

## Key facts
- Executive change
  Ali Dibadj was appointed as Director at JANUS HENDERSON GROUP PLC.
  - Action: appointed
  - Role: Director
  source text: has been appointed to the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922072564/0001104659-22-072564-index.htm
- Executive change
  Ali Dibadj was appointed as Chief Executive Officer at JANUS HENDERSON GROUP PLC.
  - Action: appointed
  - Role: Chief Executive Officer
  source text: appointed Ali Dibadj as its Chief Executive Officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922072564/0001104659-22-072564-index.htm

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