---
title: "Stefan - Chester John — Ownership Dossier"
canonical: https://whiteintel.dev/entity/26666ba1-6991-503b-9c3a-4074c00a05bd
json: https://whiteintel.dev/api/public/dossier/26666ba1-6991-503b-9c3a-4074c00a05bd
identifier: icij:icijol-80127858
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Stefan - Chester John

**Type:** Organization  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `icij:icijol-80127858`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/26666ba1-6991-503b-9c3a-4074c00a05bd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/26666ba1-6991-503b-9c3a-4074c00a05bd  

## Ownership & control

### Holdings / subsidiaries

- **Challenger Ltd.** (director of) — https://whiteintel.dev/entity/bb7fae50-1af4-5cb4-b93c-65599b879afd
- **Challenger Ltd.** (is signatory for) — https://whiteintel.dev/entity/bb7fae50-1af4-5cb4-b93c-65599b879afd
- **Challenger Ltd.** (shareholder of) — https://whiteintel.dev/entity/bb7fae50-1af4-5cb4-b93c-65599b879afd
- **Challenger Ltd.** (vice-president of) — https://whiteintel.dev/entity/bb7fae50-1af4-5cb4-b93c-65599b879afd

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80127858

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Stefan - Chester John**. Human view: https://whiteintel.dev/entity/26666ba1-6991-503b-9c3a-4074c00a05bd · Structured JSON: https://whiteintel.dev/api/public/dossier/26666ba1-6991-503b-9c3a-4074c00a05bd._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._