---
schema_version: "secwatch.filing_event.v1"
accession: "0000905148-23-000005"
form_type: "8-K"
ticker: "MADL"
cik: "0001052354"
company_name: "MAN AHL DIVERSIFIED I LP"
filed_at: "2023-01-04T23:59:59+00:00"
generated_at: "2026-06-20T20:06:43.369335+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Man-AHL Diversified I L.P.: GP President resigns, Doug Hamilton appointed

## Summary
- Shanta Puchtler resigned as president of the General Partner for the Fund effective Dec 31, 2022.
- Doug Hamilton appointed president of the General Partner as of Jan 1, 2023; remains a director.
- Hamilton is COO for Trading Platform and Core Technology at Man Group affiliate.
- He joined Man Numeric in 2000; previously at Boston Partners Asset Management.

## SEC filing metadata
- accession: 0000905148-23-000005
- form_type: 8-K
- ticker: MADL
- cik: 0001052354
- company_name: MAN AHL DIVERSIFIED I LP
- filed_at: 2023-01-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1052354/000090514823000005/0000905148-23-000005-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1052354/000090514823000005/efc23-002_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000905148-23-000005
- JSON: https://secwatch.observer/filing/0000905148-23-000005.json
- Plain text: https://secwatch.observer/filing/0000905148-23-000005.txt

## Key facts
- Executive change
  Shanta Puchtler resigned as president of the General Partner for purposes of the management of the Fund at MAN AHL DIVERSIFIED I LP.
  - Action: resigned
  - Role: president of the General Partner for purposes of the management of the Fund
  source text: As of December 31, 2022, Mr. Shanta Puchtler, acting as the president of the General Partner for purposes of the management of the Fund, resigned from the General Partner.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1052354/000090514823000005/0000905148-23-000005-index.htm
- Executive change
  Doug Hamilton was appointed as president of the General Partner for purposes of the management of the Fund at MAN AHL DIVERSIFIED I LP.
  - Action: appointed
  - Role: president of the General Partner for purposes of the management of the Fund
  source text: As of January 1, 2023, Mr. Doug Hamilton was appointed president of the General Partner for purposes of the management of the Fund.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1052354/000090514823000005/0000905148-23-000005-index.htm

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