---
title: "Isaacson - John A. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/436bd18a-8b49-5bb9-a095-52b9dd9be6bb
json: https://whiteintel.dev/api/public/dossier/436bd18a-8b49-5bb9-a095-52b9dd9be6bb
identifier: icij:icijol-80081646
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Isaacson - John A.

**Type:** Organization  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `icij:icijol-80081646`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/436bd18a-8b49-5bb9-a095-52b9dd9be6bb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/436bd18a-8b49-5bb9-a095-52b9dd9be6bb  

## Ownership & control

### Holdings / subsidiaries

- **Key-Royal Reinsurance Company, Limited** (director of) — https://whiteintel.dev/entity/852b9b97-a9e4-5cf9-80c3-edbd12637147
- **GREATER ATLANTIC INSURANCE COMPANY LTD.** (director of) — https://whiteintel.dev/entity/bdf1b301-c22b-5409-a79c-f4755184cd32
- **Greater Atlantic Holding Ltd.** (director of) — https://whiteintel.dev/entity/92b23bfc-3fca-51f8-a38d-f44656bab8a3

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80081646

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Isaacson - John A.**. Human view: https://whiteintel.dev/entity/436bd18a-8b49-5bb9-a095-52b9dd9be6bb · Structured JSON: https://whiteintel.dev/api/public/dossier/436bd18a-8b49-5bb9-a095-52b9dd9be6bb._

_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"._