---
title: "ZERN JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1993b532-4e9d-506b-a66c-e65f140b36e6
json: https://whiteintel.dev/api/public/dossier/1993b532-4e9d-506b-a66c-e65f140b36e6
identifier: sec:0001705528
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ZERN JOHN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001705528`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1993b532-4e9d-506b-a66c-e65f140b36e6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1993b532-4e9d-506b-a66c-e65f140b36e6  

## Ownership & control

### Holdings / subsidiaries

- **Aon plc** (officer) — https://whiteintel.dev/entity/7d82fcf4-534b-5951-ae0e-a5564e1020cf

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ZERN JOHN**. Human view: https://whiteintel.dev/entity/1993b532-4e9d-506b-a66c-e65f140b36e6 · Structured JSON: https://whiteintel.dev/api/public/dossier/1993b532-4e9d-506b-a66c-e65f140b36e6._

_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"._