---
title: "MACDONALD BRIAN RICHARD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5b7ed37c-8595-54aa-ad35-ea48bbefe859
json: https://whiteintel.dev/api/public/dossier/5b7ed37c-8595-54aa-ad35-ea48bbefe859
identifier: sec:0001952556
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MACDONALD BRIAN RICHARD

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001952556`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5b7ed37c-8595-54aa-ad35-ea48bbefe859  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5b7ed37c-8595-54aa-ad35-ea48bbefe859  

## Ownership & control

### Holdings / subsidiaries

- **Disc Medicine, Inc.** (officer) — https://whiteintel.dev/entity/6d317465-e113-5fee-9632-915c2579af2d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MACDONALD BRIAN RICHARD**. Human view: https://whiteintel.dev/entity/5b7ed37c-8595-54aa-ad35-ea48bbefe859 · Structured JSON: https://whiteintel.dev/api/public/dossier/5b7ed37c-8595-54aa-ad35-ea48bbefe859._

_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"._