---
title: "Platt Joseph P JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/531e17fb-af9b-5595-8252-91f8ff16712e
json: https://whiteintel.dev/api/public/dossier/531e17fb-af9b-5595-8252-91f8ff16712e
identifier: sec:0001399967
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Platt Joseph P JR

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001399967`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/531e17fb-af9b-5595-8252-91f8ff16712e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/531e17fb-af9b-5595-8252-91f8ff16712e  

## Ownership & control

### Holdings / subsidiaries

- **Core Natural Resources, Inc.** (director) — https://whiteintel.dev/entity/84178b84-4081-5772-92db-d8c8a4764ba1
- **GREENLIGHT CAPITAL RE, LTD.** (director) — https://whiteintel.dev/entity/8cb60e6c-3db2-5e2c-977f-ba8247401bcf
- **Core Natural Resources, Inc.** (director) — https://whiteintel.dev/entity/84178b84-4081-5772-92db-d8c8a4764ba1
- **CNX Resources Corp** (director) — https://whiteintel.dev/entity/4e1aa7f4-fa97-591e-aa5f-d7635537432f

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Platt Joseph P JR**. Human view: https://whiteintel.dev/entity/531e17fb-af9b-5595-8252-91f8ff16712e · Structured JSON: https://whiteintel.dev/api/public/dossier/531e17fb-af9b-5595-8252-91f8ff16712e._

_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"._