---
title: "Dr John Louis Buchanan Walker — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5e04f3bf-7fec-5260-850f-e9163f29588e
json: https://whiteintel.dev/api/public/dossier/5e04f3bf-7fec-5260-850f-e9163f29588e
identifier: oo-person:GB-COH-PER-07848569-AZVpULs0DC4Fd9gYe71cNjv3Wak
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Dr John Louis Buchanan Walker

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-07848569-AZVpULs0DC4Fd9gYe71cNjv3Wak`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5e04f3bf-7fec-5260-850f-e9163f29588e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5e04f3bf-7fec-5260-850f-e9163f29588e  

## Ownership & control

### Holdings / subsidiaries

- **CHALENG LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/c3fa7a9d-825f-508d-8046-a866c0f65c01

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Dr John Louis Buchanan Walker**. Human view: https://whiteintel.dev/entity/5e04f3bf-7fec-5260-850f-e9163f29588e · Structured JSON: https://whiteintel.dev/api/public/dossier/5e04f3bf-7fec-5260-850f-e9163f29588e._

_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"._